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Finding the Fourth Proportional to 52,606.12, 78,909.39 and 13,163.12

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Solution

The fourth proportional to 52,606.12, 78,909.39 and 13,163.12 is: 19,744.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,606.12 : 78,909.39 = 13,163.12 : x
  2. Step 2: Convert to fraction form
    52,606.12/78,909.39 = 13,163.12/x
  3. Step 3: Cross multiply
    52,606.12x = 78,909.39 × 13,163.12
  4. Step 4: Simplify right side
    52,606.12x = 1,038,693,769.70
  5. Step 5: Solve for x
    x = 1,038,693,769.70/52,606.12
  6. Step 6: Final answer
    x = 19,744.73

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