Finding the Fourth Proportional to 5,549.82, 7,655.40 and 3,660.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,549.82 : 7,655.40 = 3,660.72 : x
2. Step 2: Convert to fraction form
   5,549.82/7,655.40 = 3,660.72/x
3. Step 3: Cross multiply
   5,549.82x = 7,655.40 × 3,660.72
4. Step 4: Simplify right side
   5,549.82x = 28,024,275.89
5. Step 5: Solve for x
   x = 28,024,275.89/5,549.82
6. Step 6: Final answer
   x = 5,049.58