Finding the Fourth Proportional to 5,629.57, 7,763.76 and 3,638.04

Step by Step Solution

1. Step 1: Write the proportion equation
   5,629.57 : 7,763.76 = 3,638.04 : x
2. Step 2: Convert to fraction form
   5,629.57/7,763.76 = 3,638.04/x
3. Step 3: Cross multiply
   5,629.57x = 7,763.76 × 3,638.04
4. Step 4: Simplify right side
   5,629.57x = 28,244,869.43
5. Step 5: Solve for x
   x = 28,244,869.43/5,629.57
6. Step 6: Final answer
   x = 5,017.23