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Finding the Fourth Proportional to 52,013.93, 78,020.90 and 12,571.04

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Solution

The fourth proportional to 52,013.93, 78,020.90 and 12,571.04 is: 18,856.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,013.93 : 78,020.90 = 12,571.04 : x
  2. Step 2: Convert to fraction form
    52,013.93/78,020.90 = 12,571.04/x
  3. Step 3: Cross multiply
    52,013.93x = 78,020.90 × 12,571.04
  4. Step 4: Simplify right side
    52,013.93x = 980,803,665.92
  5. Step 5: Solve for x
    x = 980,803,665.92/52,013.93
  6. Step 6: Final answer
    x = 18,856.56

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