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Finding the Fourth Proportional to 78,827.68, 118,238.18 and 36,693.30

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Solution

The fourth proportional to 78,827.68, 118,238.18 and 36,693.30 is: 55,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,827.68 : 118,238.18 = 36,693.30 : x
  2. Step 2: Convert to fraction form
    78,827.68/118,238.18 = 36,693.30/x
  3. Step 3: Cross multiply
    78,827.68x = 118,238.18 × 36,693.30
  4. Step 4: Simplify right side
    78,827.68x = 4,338,549,476.52
  5. Step 5: Solve for x
    x = 4,338,549,476.52/78,827.68
  6. Step 6: Final answer
    x = 55,038.40

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