Finding the Fourth Proportional to 2,199.75, 3,300.10 and 738.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,199.75 : 3,300.10 = 738.86 : x
2. Step 2: Convert to fraction form
   2,199.75/3,300.10 = 738.86/x
3. Step 3: Cross multiply
   2,199.75x = 3,300.10 × 738.86
4. Step 4: Simplify right side
   2,199.75x = 2,438,311.89
5. Step 5: Solve for x
   x = 2,438,311.89/2,199.75
6. Step 6: Final answer
   x = 1,108.45