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Finding the Fourth Proportional to 18,976.37, 28,468.80 and 5,830.07

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Solution

The fourth proportional to 18,976.37, 28,468.80 and 5,830.07 is: 8,746.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976.37 : 28,468.80 = 5,830.07 : x
  2. Step 2: Convert to fraction form
    18,976.37/28,468.80 = 5,830.07/x
  3. Step 3: Cross multiply
    18,976.37x = 28,468.80 × 5,830.07
  4. Step 4: Simplify right side
    18,976.37x = 165,974,954.47
  5. Step 5: Solve for x
    x = 165,974,954.47/18,976.37
  6. Step 6: Final answer
    x = 8,746.40

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