Finding the Fourth Proportional to 8,294.74, 12,438.87 and 3,674.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,294.74 : 12,438.87 = 3,674.50 : x
2. Step 2: Convert to fraction form
   8,294.74/12,438.87 = 3,674.50/x
3. Step 3: Cross multiply
   8,294.74x = 12,438.87 × 3,674.50
4. Step 4: Simplify right side
   8,294.74x = 45,706,627.82
5. Step 5: Solve for x
   x = 45,706,627.82/8,294.74
6. Step 6: Final answer
   x = 5,510.31