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Finding the Fourth Proportional to 372,158.92, 513,696.27 and 211,121.02

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Solution

The fourth proportional to 372,158.92, 513,696.27 and 211,121.02 is: 291,413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,158.92 : 513,696.27 = 211,121.02 : x
  2. Step 2: Convert to fraction form
    372,158.92/513,696.27 = 211,121.02/x
  3. Step 3: Cross multiply
    372,158.92x = 513,696.27 × 211,121.02
  4. Step 4: Simplify right side
    372,158.92x = 108,452,080,492.60
  5. Step 5: Solve for x
    x = 108,452,080,492.60/372,158.92
  6. Step 6: Final answer
    x = 291,413.36

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