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Finding the Fourth Proportional to 113,748.78, 156,973.26 and 63,447.78

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Solution

The fourth proportional to 113,748.78, 156,973.26 and 63,447.78 is: 87,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,748.78 : 156,973.26 = 63,447.78 : x
  2. Step 2: Convert to fraction form
    113,748.78/156,973.26 = 63,447.78/x
  3. Step 3: Cross multiply
    113,748.78x = 156,973.26 × 63,447.78
  4. Step 4: Simplify right side
    113,748.78x = 9,959,604,866.36
  5. Step 5: Solve for x
    x = 9,959,604,866.36/113,748.78
  6. Step 6: Final answer
    x = 87,557.90

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