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Finding the Fourth Proportional to 76,868.80, 115,319.90 and 23,560.98

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Solution

The fourth proportional to 76,868.80, 115,319.90 and 23,560.98 is: 35,346.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,868.80 : 115,319.90 = 23,560.98 : x
  2. Step 2: Convert to fraction form
    76,868.80/115,319.90 = 23,560.98/x
  3. Step 3: Cross multiply
    76,868.80x = 115,319.90 × 23,560.98
  4. Step 4: Simplify right side
    76,868.80x = 2,717,049,483.95
  5. Step 5: Solve for x
    x = 2,717,049,483.95/76,868.80
  6. Step 6: Final answer
    x = 35,346.58

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