Finding the Fourth Proportional to 2,498.37, 3,447.75 and 1,379.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.37 : 3,447.75 = 1,379.31 : x
2. Step 2: Convert to fraction form
   2,498.37/3,447.75 = 1,379.31/x
3. Step 3: Cross multiply
   2,498.37x = 3,447.75 × 1,379.31
4. Step 4: Simplify right side
   2,498.37x = 4,755,516.05
5. Step 5: Solve for x
   x = 4,755,516.05/2,498.37
6. Step 6: Final answer
   x = 1,903.45