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Finding the Fourth Proportional to 76,758.78, 115,142.28 and 24,172.36

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Solution

The fourth proportional to 76,758.78, 115,142.28 and 24,172.36 is: 36,259.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,758.78 : 115,142.28 = 24,172.36 : x
  2. Step 2: Convert to fraction form
    76,758.78/115,142.28 = 24,172.36/x
  3. Step 3: Cross multiply
    76,758.78x = 115,142.28 × 24,172.36
  4. Step 4: Simplify right side
    76,758.78x = 2,783,260,643.38
  5. Step 5: Solve for x
    x = 2,783,260,643.38/76,758.78
  6. Step 6: Final answer
    x = 36,259.83

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