Finding the Fourth Proportional to 2,499.26, 3,749.49 and 1,200.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.26 : 3,749.49 = 1,200.42 : x
2. Step 2: Convert to fraction form
   2,499.26/3,749.49 = 1,200.42/x
3. Step 3: Cross multiply
   2,499.26x = 3,749.49 × 1,200.42
4. Step 4: Simplify right side
   2,499.26x = 4,500,962.79
5. Step 5: Solve for x
   x = 4,500,962.79/2,499.26
6. Step 6: Final answer
   x = 1,800.92