Finding the Fourth Proportional to 2,498.73, 3,448.39 and 1,379.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.73 : 3,448.39 = 1,379.91 : x
2. Step 2: Convert to fraction form
   2,498.73/3,448.39 = 1,379.91/x
3. Step 3: Cross multiply
   2,498.73x = 3,448.39 × 1,379.91
4. Step 4: Simplify right side
   2,498.73x = 4,758,467.84
5. Step 5: Solve for x
   x = 4,758,467.84/2,498.73
6. Step 6: Final answer
   x = 1,904.35