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Finding the Fourth Proportional to 8,401.77, 12,568.01 and 6,904.13

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Solution

The fourth proportional to 8,401.77, 12,568.01 and 6,904.13 is: 10,327.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,401.77 : 12,568.01 = 6,904.13 : x
  2. Step 2: Convert to fraction form
    8,401.77/12,568.01 = 6,904.13/x
  3. Step 3: Cross multiply
    8,401.77x = 12,568.01 × 6,904.13
  4. Step 4: Simplify right side
    8,401.77x = 86,771,077.52
  5. Step 5: Solve for x
    x = 86,771,077.52/8,401.77
  6. Step 6: Final answer
    x = 10,327.71

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