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Finding the Fourth Proportional to 52,543.80, 78,815.70 and 15,607.80

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Solution

The fourth proportional to 52,543.80, 78,815.70 and 15,607.80 is: 23,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,543.80 : 78,815.70 = 15,607.80 : x
  2. Step 2: Convert to fraction form
    52,543.80/78,815.70 = 15,607.80/x
  3. Step 3: Cross multiply
    52,543.80x = 78,815.70 × 15,607.80
  4. Step 4: Simplify right side
    52,543.80x = 1,230,139,682.46
  5. Step 5: Solve for x
    x = 1,230,139,682.46/52,543.80
  6. Step 6: Final answer
    x = 23,411.70

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