Finding the Fourth Proportional to 3,799.03, 5,240.78 and 2,540.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,799.03 : 5,240.78 = 2,540.48 : x
2. Step 2: Convert to fraction form
   3,799.03/5,240.78 = 2,540.48/x
3. Step 3: Cross multiply
   3,799.03x = 5,240.78 × 2,540.48
4. Step 4: Simplify right side
   3,799.03x = 13,314,096.77
5. Step 5: Solve for x
   x = 13,314,096.77/3,799.03
6. Step 6: Final answer
   x = 3,504.60