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Finding the Fourth Proportional to 104,426.85, 144,109.17 and 56,680.20

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Solution

The fourth proportional to 104,426.85, 144,109.17 and 56,680.20 is: 78,218.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,426.85 : 144,109.17 = 56,680.20 : x
  2. Step 2: Convert to fraction form
    104,426.85/144,109.17 = 56,680.20/x
  3. Step 3: Cross multiply
    104,426.85x = 144,109.17 × 56,680.20
  4. Step 4: Simplify right side
    104,426.85x = 8,168,136,577.43
  5. Step 5: Solve for x
    x = 8,168,136,577.43/104,426.85
  6. Step 6: Final answer
    x = 78,218.74

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