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Finding the Fourth Proportional to 52,720.72, 79,112.26 and 19,463.92

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Solution

The fourth proportional to 52,720.72, 79,112.26 and 19,463.92 is: 29,207.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,720.72 : 79,112.26 = 19,463.92 : x
  2. Step 2: Convert to fraction form
    52,720.72/79,112.26 = 19,463.92/x
  3. Step 3: Cross multiply
    52,720.72x = 79,112.26 × 19,463.92
  4. Step 4: Simplify right side
    52,720.72x = 1,539,834,699.66
  5. Step 5: Solve for x
    x = 1,539,834,699.66/52,720.72
  6. Step 6: Final answer
    x = 29,207.39

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