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Finding the Fourth Proportional to 71,778.26, 99,043.44 and 43,091.84

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Solution

The fourth proportional to 71,778.26, 99,043.44 and 43,091.84 is: 59,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,778.26 : 99,043.44 = 43,091.84 : x
  2. Step 2: Convert to fraction form
    71,778.26/99,043.44 = 43,091.84/x
  3. Step 3: Cross multiply
    71,778.26x = 99,043.44 × 43,091.84
  4. Step 4: Simplify right side
    71,778.26x = 4,267,963,574.31
  5. Step 5: Solve for x
    x = 4,267,963,574.31/71,778.26
  6. Step 6: Final answer
    x = 59,460.40

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