Finding the Fourth Proportional to 5,538.55, 8,264.43 and 5,506.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,538.55 : 8,264.43 = 5,506.15 : x
2. Step 2: Convert to fraction form
   5,538.55/8,264.43 = 5,506.15/x
3. Step 3: Cross multiply
   5,538.55x = 8,264.43 × 5,506.15
4. Step 4: Simplify right side
   5,538.55x = 45,505,191.24
5. Step 5: Solve for x
   x = 45,505,191.24/5,538.55
6. Step 6: Final answer
   x = 8,216.08