Finding the Fourth Proportional to 2,480.72, 3,422.30 and 1,536.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,480.72 : 3,422.30 = 1,536.26 : x
2. Step 2: Convert to fraction form
   2,480.72/3,422.30 = 1,536.26/x
3. Step 3: Cross multiply
   2,480.72x = 3,422.30 × 1,536.26
4. Step 4: Simplify right side
   2,480.72x = 5,257,517.81
5. Step 5: Solve for x
   x = 5,257,517.81/2,480.72
6. Step 6: Final answer
   x = 2,119.36