Finding the Fourth Proportional to 8,274.96, 12,414.50 and 2,431.57

Step by Step Solution

1. Step 1: Write the proportion equation
   8,274.96 : 12,414.50 = 2,431.57 : x
2. Step 2: Convert to fraction form
   8,274.96/12,414.50 = 2,431.57/x
3. Step 3: Cross multiply
   8,274.96x = 12,414.50 × 2,431.57
4. Step 4: Simplify right side
   8,274.96x = 30,186,651.53
5. Step 5: Solve for x
   x = 30,186,651.53/8,274.96
6. Step 6: Final answer
   x = 3,647.95