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Finding the Fourth Proportional to 71,418.42, 107,090.91 and 41,894.46

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Solution

The fourth proportional to 71,418.42, 107,090.91 and 41,894.46 is: 62,820.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,418.42 : 107,090.91 = 41,894.46 : x
  2. Step 2: Convert to fraction form
    71,418.42/107,090.91 = 41,894.46/x
  3. Step 3: Cross multiply
    71,418.42x = 107,090.91 × 41,894.46
  4. Step 4: Simplify right side
    71,418.42x = 4,486,515,845.36
  5. Step 5: Solve for x
    x = 4,486,515,845.36/71,418.42
  6. Step 6: Final answer
    x = 62,820.15

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