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Finding the Fourth Proportional to 72,961.18, 100,685.07 and 41,130.10

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Solution

The fourth proportional to 72,961.18, 100,685.07 and 41,130.10 is: 56,758.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,961.18 : 100,685.07 = 41,130.10 : x
  2. Step 2: Convert to fraction form
    72,961.18/100,685.07 = 41,130.10/x
  3. Step 3: Cross multiply
    72,961.18x = 100,685.07 × 41,130.10
  4. Step 4: Simplify right side
    72,961.18x = 4,141,186,494.18
  5. Step 5: Solve for x
    x = 4,141,186,494.18/72,961.18
  6. Step 6: Final answer
    x = 56,758.77

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