Finding the Fourth Proportional to 2,498.76, 3,448.56 and 1,379.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.76 : 3,448.56 = 1,379.94 : x
2. Step 2: Convert to fraction form
   2,498.76/3,448.56 = 1,379.94/x
3. Step 3: Cross multiply
   2,498.76x = 3,448.56 × 1,379.94
4. Step 4: Simplify right side
   2,498.76x = 4,758,805.89
5. Step 5: Solve for x
   x = 4,758,805.89/2,498.76
6. Step 6: Final answer
   x = 1,904.47