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Finding the Fourth Proportional to 67,656.60, 93,403.64 and 40,805.88

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Solution

The fourth proportional to 67,656.60, 93,403.64 and 40,805.88 is: 56,334.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,656.60 : 93,403.64 = 40,805.88 : x
  2. Step 2: Convert to fraction form
    67,656.60/93,403.64 = 40,805.88/x
  3. Step 3: Cross multiply
    67,656.60x = 93,403.64 × 40,805.88
  4. Step 4: Simplify right side
    67,656.60x = 3,811,417,725.40
  5. Step 5: Solve for x
    x = 3,811,417,725.40/67,656.60
  6. Step 6: Final answer
    x = 56,334.75

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