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Finding the Fourth Proportional to 74,656.94, 103,023.51 and 40,664.75

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Solution

The fourth proportional to 74,656.94, 103,023.51 and 40,664.75 is: 56,115.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,656.94 : 103,023.51 = 40,664.75 : x
  2. Step 2: Convert to fraction form
    74,656.94/103,023.51 = 40,664.75/x
  3. Step 3: Cross multiply
    74,656.94x = 103,023.51 × 40,664.75
  4. Step 4: Simplify right side
    74,656.94x = 4,189,425,278.27
  5. Step 5: Solve for x
    x = 4,189,425,278.27/74,656.94
  6. Step 6: Final answer
    x = 56,115.68

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