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Finding the Fourth Proportional to 115,511.52, 173,170.08 and 56,316.72

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Solution

The fourth proportional to 115,511.52, 173,170.08 and 56,316.72 is: 84,427.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,511.52 : 173,170.08 = 56,316.72 : x
  2. Step 2: Convert to fraction form
    115,511.52/173,170.08 = 56,316.72/x
  3. Step 3: Cross multiply
    115,511.52x = 173,170.08 × 56,316.72
  4. Step 4: Simplify right side
    115,511.52x = 9,752,370,907.74
  5. Step 5: Solve for x
    x = 9,752,370,907.74/115,511.52
  6. Step 6: Final answer
    x = 84,427.69

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