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Finding the Fourth Proportional to 104,207.48, 143,805.96 and 56,460.80

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Solution

The fourth proportional to 104,207.48, 143,805.96 and 56,460.80 is: 77,915.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,207.48 : 143,805.96 = 56,460.80 : x
  2. Step 2: Convert to fraction form
    104,207.48/143,805.96 = 56,460.80/x
  3. Step 3: Cross multiply
    104,207.48x = 143,805.96 × 56,460.80
  4. Step 4: Simplify right side
    104,207.48x = 8,119,399,546.37
  5. Step 5: Solve for x
    x = 8,119,399,546.37/104,207.48
  6. Step 6: Final answer
    x = 77,915.71

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