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Finding the Fourth Proportional to 185,798.88, 256,403.52 and 100,916.64

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Solution

The fourth proportional to 185,798.88, 256,403.52 and 100,916.64 is: 139,265.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,798.88 : 256,403.52 = 100,916.64 : x
  2. Step 2: Convert to fraction form
    185,798.88/256,403.52 = 100,916.64/x
  3. Step 3: Cross multiply
    185,798.88x = 256,403.52 × 100,916.64
  4. Step 4: Simplify right side
    185,798.88x = 25,875,381,722.57
  5. Step 5: Solve for x
    x = 25,875,381,722.57/185,798.88
  6. Step 6: Final answer
    x = 139,265.54

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