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Finding the Fourth Proportional to 352,612.20, 528,864.30 and 115,955.40

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Solution

The fourth proportional to 352,612.20, 528,864.30 and 115,955.40 is: 173,915.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,612.20 : 528,864.30 = 115,955.40 : x
  2. Step 2: Convert to fraction form
    352,612.20/528,864.30 = 115,955.40/x
  3. Step 3: Cross multiply
    352,612.20x = 528,864.30 × 115,955.40
  4. Step 4: Simplify right side
    352,612.20x = 61,324,671,452.22
  5. Step 5: Solve for x
    x = 61,324,671,452.22/352,612.20
  6. Step 6: Final answer
    x = 173,915.34

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