Finding the Fourth Proportional to 2,498.45, 3,447.60 and 1,379.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.45 : 3,447.60 = 1,379.33 : x
2. Step 2: Convert to fraction form
   2,498.45/3,447.60 = 1,379.33/x
3. Step 3: Cross multiply
   2,498.45x = 3,447.60 × 1,379.33
4. Step 4: Simplify right side
   2,498.45x = 4,755,378.11
5. Step 5: Solve for x
   x = 4,755,378.11/2,498.45
6. Step 6: Final answer
   x = 1,903.33