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Finding the Fourth Proportional to 58,779.10, 81,124.32 and 33,286.78

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Solution

The fourth proportional to 58,779.10, 81,124.32 and 33,286.78 is: 45,940.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,779.10 : 81,124.32 = 33,286.78 : x
  2. Step 2: Convert to fraction form
    58,779.10/81,124.32 = 33,286.78/x
  3. Step 3: Cross multiply
    58,779.10x = 81,124.32 × 33,286.78
  4. Step 4: Simplify right side
    58,779.10x = 2,700,367,392.49
  5. Step 5: Solve for x
    x = 2,700,367,392.49/58,779.10
  6. Step 6: Final answer
    x = 45,940.94

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