Finding the Fourth Proportional to 3,680.39, 5,073.95 and 2,499.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,680.39 : 5,073.95 = 2,499.41 : x
2. Step 2: Convert to fraction form
   3,680.39/5,073.95 = 2,499.41/x
3. Step 3: Cross multiply
   3,680.39x = 5,073.95 × 2,499.41
4. Step 4: Simplify right side
   3,680.39x = 12,681,843.50
5. Step 5: Solve for x
   x = 12,681,843.50/3,680.39
6. Step 6: Final answer
   x = 3,445.79