Finding the Fourth Proportional to 8,328.68, 12,499.16 and 3,946.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,328.68 : 12,499.16 = 3,946.12 : x
2. Step 2: Convert to fraction form
   8,328.68/12,499.16 = 3,946.12/x
3. Step 3: Cross multiply
   8,328.68x = 12,499.16 × 3,946.12
4. Step 4: Simplify right side
   8,328.68x = 49,323,185.26
5. Step 5: Solve for x
   x = 49,323,185.26/8,328.68
6. Step 6: Final answer
   x = 5,922.09