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Finding the Fourth Proportional to 73,223.60, 109,840.80 and 26,470.40

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Solution

The fourth proportional to 73,223.60, 109,840.80 and 26,470.40 is: 39,707.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,223.60 : 109,840.80 = 26,470.40 : x
  2. Step 2: Convert to fraction form
    73,223.60/109,840.80 = 26,470.40/x
  3. Step 3: Cross multiply
    73,223.60x = 109,840.80 × 26,470.40
  4. Step 4: Simplify right side
    73,223.60x = 2,907,529,912.32
  5. Step 5: Solve for x
    x = 2,907,529,912.32/73,223.60
  6. Step 6: Final answer
    x = 39,707.55

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