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Finding the Fourth Proportional to 73,109.28, 100,838.64 and 45,893.28

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Solution

The fourth proportional to 73,109.28, 100,838.64 and 45,893.28 is: 63,299.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,109.28 : 100,838.64 = 45,893.28 : x
  2. Step 2: Convert to fraction form
    73,109.28/100,838.64 = 45,893.28/x
  3. Step 3: Cross multiply
    73,109.28x = 100,838.64 × 45,893.28
  4. Step 4: Simplify right side
    73,109.28x = 4,627,815,940.34
  5. Step 5: Solve for x
    x = 4,627,815,940.34/73,109.28
  6. Step 6: Final answer
    x = 63,299.98

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