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Finding the Fourth Proportional to 104,084.60, 143,636.34 and 56,338.76

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Solution

The fourth proportional to 104,084.60, 143,636.34 and 56,338.76 is: 77,747.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,084.60 : 143,636.34 = 56,338.76 : x
  2. Step 2: Convert to fraction form
    104,084.60/143,636.34 = 56,338.76/x
  3. Step 3: Cross multiply
    104,084.60x = 143,636.34 × 56,338.76
  4. Step 4: Simplify right side
    104,084.60x = 8,092,293,286.54
  5. Step 5: Solve for x
    x = 8,092,293,286.54/104,084.60
  6. Step 6: Final answer
    x = 77,747.27

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