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Finding the Fourth Proportional to 75,255.44, 103,857.18 and 41,721.44

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Solution

The fourth proportional to 75,255.44, 103,857.18 and 41,721.44 is: 57,578.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,255.44 : 103,857.18 = 41,721.44 : x
  2. Step 2: Convert to fraction form
    75,255.44/103,857.18 = 41,721.44/x
  3. Step 3: Cross multiply
    75,255.44x = 103,857.18 × 41,721.44
  4. Step 4: Simplify right side
    75,255.44x = 4,333,071,103.94
  5. Step 5: Solve for x
    x = 4,333,071,103.94/75,255.44
  6. Step 6: Final answer
    x = 57,578.18

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