Finding the Fourth Proportional to 5,552.68, 7,665.18 and 3,665.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,552.68 : 7,665.18 = 3,665.38 : x
2. Step 2: Convert to fraction form
   5,552.68/7,665.18 = 3,665.38/x
3. Step 3: Cross multiply
   5,552.68x = 7,665.18 × 3,665.38
4. Step 4: Simplify right side
   5,552.68x = 28,095,797.47
5. Step 5: Solve for x
   x = 28,095,797.47/5,552.68
6. Step 6: Final answer
   x = 5,059.86