Finding the Fourth Proportional to 8,328.89, 12,496.80 and 3,646.49

Step by Step Solution

1. Step 1: Write the proportion equation
   8,328.89 : 12,496.80 = 3,646.49 : x
2. Step 2: Convert to fraction form
   8,328.89/12,496.80 = 3,646.49/x
3. Step 3: Cross multiply
   8,328.89x = 12,496.80 × 3,646.49
4. Step 4: Simplify right side
   8,328.89x = 45,569,411.32
5. Step 5: Solve for x
   x = 45,569,411.32/8,328.89
6. Step 6: Final answer
   x = 5,471.25