Finding the Fourth Proportional to 2,499.39, 3,748.30 and 1,038.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.39 : 3,748.30 = 1,038.19 : x
2. Step 2: Convert to fraction form
   2,499.39/3,748.30 = 1,038.19/x
3. Step 3: Cross multiply
   2,499.39x = 3,748.30 × 1,038.19
4. Step 4: Simplify right side
   2,499.39x = 3,891,435.61
5. Step 5: Solve for x
   x = 3,891,435.61/2,499.39
6. Step 6: Final answer
   x = 1,556.95