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Finding the Fourth Proportional to 351,693.52, 527,540.96 and 85,454.28

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Solution

The fourth proportional to 351,693.52, 527,540.96 and 85,454.28 is: 128,181.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,693.52 : 527,540.96 = 85,454.28 : x
  2. Step 2: Convert to fraction form
    351,693.52/527,540.96 = 85,454.28/x
  3. Step 3: Cross multiply
    351,693.52x = 527,540.96 × 85,454.28
  4. Step 4: Simplify right side
    351,693.52x = 45,080,632,907.31
  5. Step 5: Solve for x
    x = 45,080,632,907.31/351,693.52
  6. Step 6: Final answer
    x = 128,181.59

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