Finding the Fourth Proportional to 5,622.21, 7,757.17 and 3,629.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,622.21 : 7,757.17 = 3,629.61 : x
2. Step 2: Convert to fraction form
   5,622.21/7,757.17 = 3,629.61/x
3. Step 3: Cross multiply
   5,622.21x = 7,757.17 × 3,629.61
4. Step 4: Simplify right side
   5,622.21x = 28,155,492.73
5. Step 5: Solve for x
   x = 28,155,492.73/5,622.21
6. Step 6: Final answer
   x = 5,007.90