Finding the Fourth Proportional to 8,314.77, 12,474.51 and 3,387.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,314.77 : 12,474.51 = 3,387.96 : x
2. Step 2: Convert to fraction form
   8,314.77/12,474.51 = 3,387.96/x
3. Step 3: Cross multiply
   8,314.77x = 12,474.51 × 3,387.96
4. Step 4: Simplify right side
   8,314.77x = 42,263,140.90
5. Step 5: Solve for x
   x = 42,263,140.90/8,314.77
6. Step 6: Final answer
   x = 5,082.90