Finding the Fourth Proportional to 2,199.57, 3,300.03 and 738.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,199.57 : 3,300.03 = 738.60 : x
2. Step 2: Convert to fraction form
   2,199.57/3,300.03 = 738.60/x
3. Step 3: Cross multiply
   2,199.57x = 3,300.03 × 738.60
4. Step 4: Simplify right side
   2,199.57x = 2,437,402.16
5. Step 5: Solve for x
   x = 2,437,402.16/2,199.57
6. Step 6: Final answer
   x = 1,108.13