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Finding the Fourth Proportional to 75,636.71, 104,374.79 and 41,638.64

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Solution

The fourth proportional to 75,636.71, 104,374.79 and 41,638.64 is: 57,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,636.71 : 104,374.79 = 41,638.64 : x
  2. Step 2: Convert to fraction form
    75,636.71/104,374.79 = 41,638.64/x
  3. Step 3: Cross multiply
    75,636.71x = 104,374.79 × 41,638.64
  4. Step 4: Simplify right side
    75,636.71x = 4,346,024,586.96
  5. Step 5: Solve for x
    x = 4,346,024,586.96/75,636.71
  6. Step 6: Final answer
    x = 57,459.20

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