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Finding the Fourth Proportional to 231,859.52, 347,790.56 and 65,647.68

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Solution

The fourth proportional to 231,859.52, 347,790.56 and 65,647.68 is: 98,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,859.52 : 347,790.56 = 65,647.68 : x
  2. Step 2: Convert to fraction form
    231,859.52/347,790.56 = 65,647.68/x
  3. Step 3: Cross multiply
    231,859.52x = 347,790.56 × 65,647.68
  4. Step 4: Simplify right side
    231,859.52x = 22,831,643,389.90
  5. Step 5: Solve for x
    x = 22,831,643,389.90/231,859.52
  6. Step 6: Final answer
    x = 98,471.88

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