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Finding the Fourth Proportional to 74,936.25, 103,419.59 and 41,402.25

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Solution

The fourth proportional to 74,936.25, 103,419.59 and 41,402.25 is: 57,139.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,936.25 : 103,419.59 = 41,402.25 : x
  2. Step 2: Convert to fraction form
    74,936.25/103,419.59 = 41,402.25/x
  3. Step 3: Cross multiply
    74,936.25x = 103,419.59 × 41,402.25
  4. Step 4: Simplify right side
    74,936.25x = 4,281,803,513.07
  5. Step 5: Solve for x
    x = 4,281,803,513.07/74,936.25
  6. Step 6: Final answer
    x = 57,139.28

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