Finding the Fourth Proportional to 2,498.38, 3,447.15 and 1,553.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.38 : 3,447.15 = 1,553.74 : x
2. Step 2: Convert to fraction form
   2,498.38/3,447.15 = 1,553.74/x
3. Step 3: Cross multiply
   2,498.38x = 3,447.15 × 1,553.74
4. Step 4: Simplify right side
   2,498.38x = 5,355,974.84
5. Step 5: Solve for x
   x = 5,355,974.84/2,498.38
6. Step 6: Final answer
   x = 2,143.78