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Finding the Fourth Proportional to 53,181.78, 79,772.70 and 16,245.78

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Solution

The fourth proportional to 53,181.78, 79,772.70 and 16,245.78 is: 24,368.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,181.78 : 79,772.70 = 16,245.78 : x
  2. Step 2: Convert to fraction form
    53,181.78/79,772.70 = 16,245.78/x
  3. Step 3: Cross multiply
    53,181.78x = 79,772.70 × 16,245.78
  4. Step 4: Simplify right side
    53,181.78x = 1,295,969,734.21
  5. Step 5: Solve for x
    x = 1,295,969,734.21/53,181.78
  6. Step 6: Final answer
    x = 24,368.68

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