Finding the Fourth Proportional to 3,693.57, 5,540.34 and 3,600.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,693.57 : 5,540.34 = 3,600.62 : x
2. Step 2: Convert to fraction form
   3,693.57/5,540.34 = 3,600.62/x
3. Step 3: Cross multiply
   3,693.57x = 5,540.34 × 3,600.62
4. Step 4: Simplify right side
   3,693.57x = 19,948,631.31
5. Step 5: Solve for x
   x = 19,948,631.31/3,693.57
6. Step 6: Final answer
   x = 5,400.91