Finding the Fourth Proportional to 3,766.57, 5,622.32 and 3,488.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,766.57 : 5,622.32 = 3,488.63 : x
2. Step 2: Convert to fraction form
   3,766.57/5,622.32 = 3,488.63/x
3. Step 3: Cross multiply
   3,766.57x = 5,622.32 × 3,488.63
4. Step 4: Simplify right side
   3,766.57x = 19,614,174.83
5. Step 5: Solve for x
   x = 19,614,174.83/3,766.57
6. Step 6: Final answer
   x = 5,207.44