Finding the Fourth Proportional to 2,498.15, 3,447.45 and 1,379.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.15 : 3,447.45 = 1,379.15 : x
2. Step 2: Convert to fraction form
   2,498.15/3,447.45 = 1,379.15/x
3. Step 3: Cross multiply
   2,498.15x = 3,447.45 × 1,379.15
4. Step 4: Simplify right side
   2,498.15x = 4,754,550.67
5. Step 5: Solve for x
   x = 4,754,550.67/2,498.15
6. Step 6: Final answer
   x = 1,903.23