Finding the Fourth Proportional to 2,498.79, 3,448.15 and 1,379.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.79 : 3,448.15 = 1,379.73 : x
2. Step 2: Convert to fraction form
   2,498.79/3,448.15 = 1,379.73/x
3. Step 3: Cross multiply
   2,498.79x = 3,448.15 × 1,379.73
4. Step 4: Simplify right side
   2,498.79x = 4,757,516.00
5. Step 5: Solve for x
   x = 4,757,516.00/2,498.79
6. Step 6: Final answer
   x = 1,903.93