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Finding the Fourth Proportional to 55,942.76, 83,892.90 and 18,491.60

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Solution

The fourth proportional to 55,942.76, 83,892.90 and 18,491.60 is: 27,730.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,942.76 : 83,892.90 = 18,491.60 : x
  2. Step 2: Convert to fraction form
    55,942.76/83,892.90 = 18,491.60/x
  3. Step 3: Cross multiply
    55,942.76x = 83,892.90 × 18,491.60
  4. Step 4: Simplify right side
    55,942.76x = 1,551,313,949.64
  5. Step 5: Solve for x
    x = 1,551,313,949.64/55,942.76
  6. Step 6: Final answer
    x = 27,730.38

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