Finding the Fourth Proportional to 2,502.15, 3,751.18 and 1,042.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,502.15 : 3,751.18 = 1,042.39 : x
2. Step 2: Convert to fraction form
   2,502.15/3,751.18 = 1,042.39/x
3. Step 3: Cross multiply
   2,502.15x = 3,751.18 × 1,042.39
4. Step 4: Simplify right side
   2,502.15x = 3,910,192.52
5. Step 5: Solve for x
   x = 3,910,192.52/2,502.15
6. Step 6: Final answer
   x = 1,562.73