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Finding the Fourth Proportional to 104,972.68, 144,861.51 and 57,228.04

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Solution

The fourth proportional to 104,972.68, 144,861.51 and 57,228.04 is: 78,974.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,972.68 : 144,861.51 = 57,228.04 : x
  2. Step 2: Convert to fraction form
    104,972.68/144,861.51 = 57,228.04/x
  3. Step 3: Cross multiply
    104,972.68x = 144,861.51 × 57,228.04
  4. Step 4: Simplify right side
    104,972.68x = 8,290,140,288.74
  5. Step 5: Solve for x
    x = 8,290,140,288.74/104,972.68
  6. Step 6: Final answer
    x = 78,974.27

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