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Finding the Fourth Proportional to 73,136.56, 100,928.28 and 39,602.56

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Solution

The fourth proportional to 73,136.56, 100,928.28 and 39,602.56 is: 54,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,136.56 : 100,928.28 = 39,602.56 : x
  2. Step 2: Convert to fraction form
    73,136.56/100,928.28 = 39,602.56/x
  3. Step 3: Cross multiply
    73,136.56x = 100,928.28 × 39,602.56
  4. Step 4: Simplify right side
    73,136.56x = 3,997,018,264.40
  5. Step 5: Solve for x
    x = 3,997,018,264.40/73,136.56
  6. Step 6: Final answer
    x = 54,651.44

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