Finding the Fourth Proportional to 2,498.24, 3,447.78 and 1,379.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.24 : 3,447.78 = 1,379.28 : x
2. Step 2: Convert to fraction form
   2,498.24/3,447.78 = 1,379.28/x
3. Step 3: Cross multiply
   2,498.24x = 3,447.78 × 1,379.28
4. Step 4: Simplify right side
   2,498.24x = 4,755,454.00
5. Step 5: Solve for x
   x = 4,755,454.00/2,498.24
6. Step 6: Final answer
   x = 1,903.52