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Finding the Fourth Proportional to 99,404.86, 137,182.48 and 56,971.58

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Solution

The fourth proportional to 99,404.86, 137,182.48 and 56,971.58 is: 78,622.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,404.86 : 137,182.48 = 56,971.58 : x
  2. Step 2: Convert to fraction form
    99,404.86/137,182.48 = 56,971.58/x
  3. Step 3: Cross multiply
    99,404.86x = 137,182.48 × 56,971.58
  4. Step 4: Simplify right side
    99,404.86x = 7,815,502,633.92
  5. Step 5: Solve for x
    x = 7,815,502,633.92/99,404.86
  6. Step 6: Final answer
    x = 78,622.94

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