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Finding the Fourth Proportional to 52,042.82, 78,064.43 and 12,599.87

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Solution

The fourth proportional to 52,042.82, 78,064.43 and 12,599.87 is: 18,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,042.82 : 78,064.43 = 12,599.87 : x
  2. Step 2: Convert to fraction form
    52,042.82/78,064.43 = 12,599.87/x
  3. Step 3: Cross multiply
    52,042.82x = 78,064.43 × 12,599.87
  4. Step 4: Simplify right side
    52,042.82x = 983,601,669.62
  5. Step 5: Solve for x
    x = 983,601,669.62/52,042.82
  6. Step 6: Final answer
    x = 18,899.85

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