Finding the Fourth Proportional to 6,111.68, 9,152.57 and 5,520.03

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.68 : 9,152.57 = 5,520.03 : x
2. Step 2: Convert to fraction form
   6,111.68/9,152.57 = 5,520.03/x
3. Step 3: Cross multiply
   6,111.68x = 9,152.57 × 5,520.03
4. Step 4: Simplify right side
   6,111.68x = 50,522,433.38
5. Step 5: Solve for x
   x = 50,522,433.38/6,111.68
6. Step 6: Final answer
   x = 8,266.54