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Finding the Fourth Proportional to 72,769.12, 109,153.68 and 26,019.16

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Solution

The fourth proportional to 72,769.12, 109,153.68 and 26,019.16 is: 39,028.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,769.12 : 109,153.68 = 26,019.16 : x
  2. Step 2: Convert to fraction form
    72,769.12/109,153.68 = 26,019.16/x
  3. Step 3: Cross multiply
    72,769.12x = 109,153.68 × 26,019.16
  4. Step 4: Simplify right side
    72,769.12x = 2,840,087,064.51
  5. Step 5: Solve for x
    x = 2,840,087,064.51/72,769.12
  6. Step 6: Final answer
    x = 39,028.74

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