Finding the Fourth Proportional to 2,498.91, 3,448.27 and 1,379.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.91 : 3,448.27 = 1,379.76 : x
2. Step 2: Convert to fraction form
   2,498.91/3,448.27 = 1,379.76/x
3. Step 3: Cross multiply
   2,498.91x = 3,448.27 × 1,379.76
4. Step 4: Simplify right side
   2,498.91x = 4,757,785.02
5. Step 5: Solve for x
   x = 4,757,785.02/2,498.91
6. Step 6: Final answer
   x = 1,903.94