Finding the Fourth Proportional to 8,269.83, 12,402.88 and 2,426.90

Step by Step Solution

1. Step 1: Write the proportion equation
   8,269.83 : 12,402.88 = 2,426.90 : x
2. Step 2: Convert to fraction form
   8,269.83/12,402.88 = 2,426.90/x
3. Step 3: Cross multiply
   8,269.83x = 12,402.88 × 2,426.90
4. Step 4: Simplify right side
   8,269.83x = 30,100,481.39
5. Step 5: Solve for x
   x = 30,100,481.39/8,269.83
6. Step 6: Final answer
   x = 3,639.79