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Finding the Fourth Proportional to 76,638.60, 114,815.34 and 41,607.72

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Solution

The fourth proportional to 76,638.60, 114,815.34 and 41,607.72 is: 62,334.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,638.60 : 114,815.34 = 41,607.72 : x
  2. Step 2: Convert to fraction form
    76,638.60/114,815.34 = 41,607.72/x
  3. Step 3: Cross multiply
    76,638.60x = 114,815.34 × 41,607.72
  4. Step 4: Simplify right side
    76,638.60x = 4,777,204,518.42
  5. Step 5: Solve for x
    x = 4,777,204,518.42/76,638.60
  6. Step 6: Final answer
    x = 62,334.18

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