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Finding the Fourth Proportional to 113,148.64, 169,722.94 and 28,908.98

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Solution

The fourth proportional to 113,148.64, 169,722.94 and 28,908.98 is: 43,363.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,148.64 : 169,722.94 = 28,908.98 : x
  2. Step 2: Convert to fraction form
    113,148.64/169,722.94 = 28,908.98/x
  3. Step 3: Cross multiply
    113,148.64x = 169,722.94 × 28,908.98
  4. Step 4: Simplify right side
    113,148.64x = 4,906,517,078.00
  5. Step 5: Solve for x
    x = 4,906,517,078.00/113,148.64
  6. Step 6: Final answer
    x = 43,363.46

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