Finding the Fourth Proportional to 8,328.64, 12,496.42 and 3,646.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,328.64 : 12,496.42 = 3,646.24 : x
2. Step 2: Convert to fraction form
   8,328.64/12,496.42 = 3,646.24/x
3. Step 3: Cross multiply
   8,328.64x = 12,496.42 × 3,646.24
4. Step 4: Simplify right side
   8,328.64x = 45,564,919.78
5. Step 5: Solve for x
   x = 45,564,919.78/8,328.64
6. Step 6: Final answer
   x = 5,470.87