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Finding the Fourth Proportional to 323,317.80, 484,976.70 and 112,928.40

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Solution

The fourth proportional to 323,317.80, 484,976.70 and 112,928.40 is: 169,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,317.80 : 484,976.70 = 112,928.40 : x
  2. Step 2: Convert to fraction form
    323,317.80/484,976.70 = 112,928.40/x
  3. Step 3: Cross multiply
    323,317.80x = 484,976.70 × 112,928.40
  4. Step 4: Simplify right side
    323,317.80x = 54,767,642,768.28
  5. Step 5: Solve for x
    x = 54,767,642,768.28/323,317.80
  6. Step 6: Final answer
    x = 169,392.60

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