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Finding the Fourth Proportional to 113,539.28, 156,689.02 and 63,238.28

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Solution

The fourth proportional to 113,539.28, 156,689.02 and 63,238.28 is: 87,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,539.28 : 156,689.02 = 63,238.28 : x
  2. Step 2: Convert to fraction form
    113,539.28/156,689.02 = 63,238.28/x
  3. Step 3: Cross multiply
    113,539.28x = 156,689.02 × 63,238.28
  4. Step 4: Simplify right side
    113,539.28x = 9,908,744,119.69
  5. Step 5: Solve for x
    x = 9,908,744,119.69/113,539.28
  6. Step 6: Final answer
    x = 87,271.51

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