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Finding the Fourth Proportional to 74,855.47, 112,341.86 and 52,218.91

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Solution

The fourth proportional to 74,855.47, 112,341.86 and 52,218.91 is: 78,369.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,855.47 : 112,341.86 = 52,218.91 : x
  2. Step 2: Convert to fraction form
    74,855.47/112,341.86 = 52,218.91/x
  3. Step 3: Cross multiply
    74,855.47x = 112,341.86 × 52,218.91
  4. Step 4: Simplify right side
    74,855.47x = 5,866,368,934.62
  5. Step 5: Solve for x
    x = 5,866,368,934.62/74,855.47
  6. Step 6: Final answer
    x = 78,369.28

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