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Finding the Fourth Proportional to 82,820.84, 124,251.06 and 26,666.19

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Solution

The fourth proportional to 82,820.84, 124,251.06 and 26,666.19 is: 40,005.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,820.84 : 124,251.06 = 26,666.19 : x
  2. Step 2: Convert to fraction form
    82,820.84/124,251.06 = 26,666.19/x
  3. Step 3: Cross multiply
    82,820.84x = 124,251.06 × 26,666.19
  4. Step 4: Simplify right side
    82,820.84x = 3,313,302,373.66
  5. Step 5: Solve for x
    x = 3,313,302,373.66/82,820.84
  6. Step 6: Final answer
    x = 40,005.66

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