Finding the Fourth Proportional to 3,824.88, 5,279.46 and 2,498.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,824.88 : 5,279.46 = 2,498.78 : x
2. Step 2: Convert to fraction form
   3,824.88/5,279.46 = 2,498.78/x
3. Step 3: Cross multiply
   3,824.88x = 5,279.46 × 2,498.78
4. Step 4: Simplify right side
   3,824.88x = 13,192,209.06
5. Step 5: Solve for x
   x = 13,192,209.06/3,824.88
6. Step 6: Final answer
   x = 3,449.05