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Finding the Fourth Proportional to 71,978.66, 107,967.99 and 36,895.94

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Solution

The fourth proportional to 71,978.66, 107,967.99 and 36,895.94 is: 55,343.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,978.66 : 107,967.99 = 36,895.94 : x
  2. Step 2: Convert to fraction form
    71,978.66/107,967.99 = 36,895.94/x
  3. Step 3: Cross multiply
    71,978.66x = 107,967.99 × 36,895.94
  4. Step 4: Simplify right side
    71,978.66x = 3,983,580,276.82
  5. Step 5: Solve for x
    x = 3,983,580,276.82/71,978.66
  6. Step 6: Final answer
    x = 55,343.91

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