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Finding the Fourth Proportional to 104,773.76, 156,728.64 and 67,276.16

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Solution

The fourth proportional to 104,773.76, 156,728.64 and 67,276.16 is: 100,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,773.76 : 156,728.64 = 67,276.16 : x
  2. Step 2: Convert to fraction form
    104,773.76/156,728.64 = 67,276.16/x
  3. Step 3: Cross multiply
    104,773.76x = 156,728.64 × 67,276.16
  4. Step 4: Simplify right side
    104,773.76x = 10,544,101,061.22
  5. Step 5: Solve for x
    x = 10,544,101,061.22/104,773.76
  6. Step 6: Final answer
    x = 100,636.85

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