Finding the Fourth Proportional to 2,498.20, 3,746.86 and 743.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.20 : 3,746.86 = 743.15 : x
2. Step 2: Convert to fraction form
   2,498.20/3,746.86 = 743.15/x
3. Step 3: Cross multiply
   2,498.20x = 3,746.86 × 743.15
4. Step 4: Simplify right side
   2,498.20x = 2,784,486.52
5. Step 5: Solve for x
   x = 2,784,486.52/2,498.20
6. Step 6: Final answer
   x = 1,114.60