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Finding the Fourth Proportional to 352,034.80, 528,047.40 and 115,385.20

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Solution

The fourth proportional to 352,034.80, 528,047.40 and 115,385.20 is: 173,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,034.80 : 528,047.40 = 115,385.20 : x
  2. Step 2: Convert to fraction form
    352,034.80/528,047.40 = 115,385.20/x
  3. Step 3: Cross multiply
    352,034.80x = 528,047.40 × 115,385.20
  4. Step 4: Simplify right side
    352,034.80x = 60,928,854,858.48
  5. Step 5: Solve for x
    x = 60,928,854,858.48/352,034.80
  6. Step 6: Final answer
    x = 173,076.23

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