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Finding the Fourth Proportional to 74,800.29, 103,224.69 and 40,809.54

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Solution

The fourth proportional to 74,800.29, 103,224.69 and 40,809.54 is: 56,317.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,800.29 : 103,224.69 = 40,809.54 : x
  2. Step 2: Convert to fraction form
    74,800.29/103,224.69 = 40,809.54/x
  3. Step 3: Cross multiply
    74,800.29x = 103,224.69 × 40,809.54
  4. Step 4: Simplify right side
    74,800.29x = 4,212,552,115.54
  5. Step 5: Solve for x
    x = 4,212,552,115.54/74,800.29
  6. Step 6: Final answer
    x = 56,317.32

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