Finding the Fourth Proportional to 8,269.71, 12,402.69 and 2,426.77

Step by Step Solution

1. Step 1: Write the proportion equation
   8,269.71 : 12,402.69 = 2,426.77 : x
2. Step 2: Convert to fraction form
   8,269.71/12,402.69 = 2,426.77/x
3. Step 3: Cross multiply
   8,269.71x = 12,402.69 × 2,426.77
4. Step 4: Simplify right side
   8,269.71x = 30,098,476.01
5. Step 5: Solve for x
   x = 30,098,476.01/8,269.71
6. Step 6: Final answer
   x = 3,639.60