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Finding the Fourth Proportional to 57,789.40, 86,684.10 and 32,906.20

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Solution

The fourth proportional to 57,789.40, 86,684.10 and 32,906.20 is: 49,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,789.40 : 86,684.10 = 32,906.20 : x
  2. Step 2: Convert to fraction form
    57,789.40/86,684.10 = 32,906.20/x
  3. Step 3: Cross multiply
    57,789.40x = 86,684.10 × 32,906.20
  4. Step 4: Simplify right side
    57,789.40x = 2,852,444,331.42
  5. Step 5: Solve for x
    x = 2,852,444,331.42/57,789.40
  6. Step 6: Final answer
    x = 49,359.30

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