Finding the Fourth Proportional to 3,822.88, 5,274.78 and 2,498.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,822.88 : 5,274.78 = 2,498.54 : x
2. Step 2: Convert to fraction form
   3,822.88/5,274.78 = 2,498.54/x
3. Step 3: Cross multiply
   3,822.88x = 5,274.78 × 2,498.54
4. Step 4: Simplify right side
   3,822.88x = 13,179,248.82
5. Step 5: Solve for x
   x = 13,179,248.82/3,822.88
6. Step 6: Final answer
   x = 3,447.47