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Finding the Fourth Proportional to 86,136.98, 118,854.56 and 47,895.44

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Solution

The fourth proportional to 86,136.98, 118,854.56 and 47,895.44 is: 66,087.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,136.98 : 118,854.56 = 47,895.44 : x
  2. Step 2: Convert to fraction form
    86,136.98/118,854.56 = 47,895.44/x
  3. Step 3: Cross multiply
    86,136.98x = 118,854.56 × 47,895.44
  4. Step 4: Simplify right side
    86,136.98x = 5,692,591,447.21
  5. Step 5: Solve for x
    x = 5,692,591,447.21/86,136.98
  6. Step 6: Final answer
    x = 66,087.66

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