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Finding the Fourth Proportional to 79,004.78, 108,961.64 and 56,336.53

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Solution

The fourth proportional to 79,004.78, 108,961.64 and 56,336.53 is: 77,698.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,004.78 : 108,961.64 = 56,336.53 : x
  2. Step 2: Convert to fraction form
    79,004.78/108,961.64 = 56,336.53/x
  3. Step 3: Cross multiply
    79,004.78x = 108,961.64 × 56,336.53
  4. Step 4: Simplify right side
    79,004.78x = 6,138,520,700.71
  5. Step 5: Solve for x
    x = 6,138,520,700.71/79,004.78
  6. Step 6: Final answer
    x = 77,698.09

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