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Finding the Fourth Proportional to 279,944.40, 419,916.60 and 92,955.90

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Solution

The fourth proportional to 279,944.40, 419,916.60 and 92,955.90 is: 139,433.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,944.40 : 419,916.60 = 92,955.90 : x
  2. Step 2: Convert to fraction form
    279,944.40/419,916.60 = 92,955.90/x
  3. Step 3: Cross multiply
    279,944.40x = 419,916.60 × 92,955.90
  4. Step 4: Simplify right side
    279,944.40x = 39,033,725,477.94
  5. Step 5: Solve for x
    x = 39,033,725,477.94/279,944.40
  6. Step 6: Final answer
    x = 139,433.85

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