Finding the Fourth Proportional to 2,199.48, 3,299.71 and 738.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,199.48 : 3,299.71 = 738.59 : x
2. Step 2: Convert to fraction form
   2,199.48/3,299.71 = 738.59/x
3. Step 3: Cross multiply
   2,199.48x = 3,299.71 × 738.59
4. Step 4: Simplify right side
   2,199.48x = 2,437,132.81
5. Step 5: Solve for x
   x = 2,437,132.81/2,199.48
6. Step 6: Final answer
   x = 1,108.05