Finding the Fourth Proportional to 2,498.77, 3,747.50 and 743.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.77 : 3,747.50 = 743.30 : x
2. Step 2: Convert to fraction form
   2,498.77/3,747.50 = 743.30/x
3. Step 3: Cross multiply
   2,498.77x = 3,747.50 × 743.30
4. Step 4: Simplify right side
   2,498.77x = 2,785,536.40
5. Step 5: Solve for x
   x = 2,785,536.40/2,498.77
6. Step 6: Final answer
   x = 1,114.76