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Finding the Fourth Proportional to 78,871.86, 117,948.43 and 58,895.38

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Solution

The fourth proportional to 78,871.86, 117,948.43 and 58,895.38 is: 88,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,871.86 : 117,948.43 = 58,895.38 : x
  2. Step 2: Convert to fraction form
    78,871.86/117,948.43 = 58,895.38/x
  3. Step 3: Cross multiply
    78,871.86x = 117,948.43 × 58,895.38
  4. Step 4: Simplify right side
    78,871.86x = 6,946,617,605.25
  5. Step 5: Solve for x
    x = 6,946,617,605.25/78,871.86
  6. Step 6: Final answer
    x = 88,074.73

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