Finding the Fourth Proportional to 2,199.43, 3,298.46 and 738.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,199.43 : 3,298.46 = 738.25 : x
2. Step 2: Convert to fraction form
   2,199.43/3,298.46 = 738.25/x
3. Step 3: Cross multiply
   2,199.43x = 3,298.46 × 738.25
4. Step 4: Simplify right side
   2,199.43x = 2,435,076.16
5. Step 5: Solve for x
   x = 2,435,076.16/2,199.43
6. Step 6: Final answer
   x = 1,107.14