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Finding the Fourth Proportional to 57,319.38, 86,037.39 and 38,540.34

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Solution

The fourth proportional to 57,319.38, 86,037.39 and 38,540.34 is: 57,849.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,319.38 : 86,037.39 = 38,540.34 : x
  2. Step 2: Convert to fraction form
    57,319.38/86,037.39 = 38,540.34/x
  3. Step 3: Cross multiply
    57,319.38x = 86,037.39 × 38,540.34
  4. Step 4: Simplify right side
    57,319.38x = 3,315,910,263.31
  5. Step 5: Solve for x
    x = 3,315,910,263.31/57,319.38
  6. Step 6: Final answer
    x = 57,849.72

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