Finding the Fourth Proportional to 2,498.28, 3,447.84 and 1,379.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.28 : 3,447.84 = 1,379.34 : x
2. Step 2: Convert to fraction form
   2,498.28/3,447.84 = 1,379.34/x
3. Step 3: Cross multiply
   2,498.28x = 3,447.84 × 1,379.34
4. Step 4: Simplify right side
   2,498.28x = 4,755,743.63
5. Step 5: Solve for x
   x = 4,755,743.63/2,498.28
6. Step 6: Final answer
   x = 1,903.61