Finding the Fourth Proportional to 2,498.86, 3,448.12 and 1,379.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.86 : 3,448.12 = 1,379.71 : x
2. Step 2: Convert to fraction form
   2,498.86/3,448.12 = 1,379.71/x
3. Step 3: Cross multiply
   2,498.86x = 3,448.12 × 1,379.71
4. Step 4: Simplify right side
   2,498.86x = 4,757,384.96
5. Step 5: Solve for x
   x = 4,757,384.96/2,498.86
6. Step 6: Final answer
   x = 1,903.83