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Finding the Fourth Proportional to 52,017.12, 78,006.78 and 18,276.30

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Solution

The fourth proportional to 52,017.12, 78,006.78 and 18,276.30 is: 27,407.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,017.12 : 78,006.78 = 18,276.30 : x
  2. Step 2: Convert to fraction form
    52,017.12/78,006.78 = 18,276.30/x
  3. Step 3: Cross multiply
    52,017.12x = 78,006.78 × 18,276.30
  4. Step 4: Simplify right side
    52,017.12x = 1,425,675,313.31
  5. Step 5: Solve for x
    x = 1,425,675,313.31/52,017.12
  6. Step 6: Final answer
    x = 27,407.81

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