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Finding the Fourth Proportional to 78,907.77, 108,890.97 and 43,097.91

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Solution

The fourth proportional to 78,907.77, 108,890.97 and 43,097.91 is: 59,474.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,907.77 : 108,890.97 = 43,097.91 : x
  2. Step 2: Convert to fraction form
    78,907.77/108,890.97 = 43,097.91/x
  3. Step 3: Cross multiply
    78,907.77x = 108,890.97 × 43,097.91
  4. Step 4: Simplify right side
    78,907.77x = 4,692,972,654.91
  5. Step 5: Solve for x
    x = 4,692,972,654.91/78,907.77
  6. Step 6: Final answer
    x = 59,474.15

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