Finding the Fourth Proportional to 2,498.79, 3,448.06 and 1,379.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.79 : 3,448.06 = 1,379.59 : x
2. Step 2: Convert to fraction form
   2,498.79/3,448.06 = 1,379.59/x
3. Step 3: Cross multiply
   2,498.79x = 3,448.06 × 1,379.59
4. Step 4: Simplify right side
   2,498.79x = 4,756,909.10
5. Step 5: Solve for x
   x = 4,756,909.10/2,498.79
6. Step 6: Final answer
   x = 1,903.69