Finding the Fourth Proportional to 8,082.06, 12,111.75 and 5,613.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,082.06 : 12,111.75 = 5,613.18 : x
2. Step 2: Convert to fraction form
   8,082.06/12,111.75 = 5,613.18/x
3. Step 3: Cross multiply
   8,082.06x = 12,111.75 × 5,613.18
4. Step 4: Simplify right side
   8,082.06x = 67,985,432.87
5. Step 5: Solve for x
   x = 67,985,432.87/8,082.06
6. Step 6: Final answer
   x = 8,411.89