Finding the Fourth Proportional to 2,521.11, 3,480.71 and 1,625.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.11 : 3,480.71 = 1,625.25 : x
2. Step 2: Convert to fraction form
   2,521.11/3,480.71 = 1,625.25/x
3. Step 3: Cross multiply
   2,521.11x = 3,480.71 × 1,625.25
4. Step 4: Simplify right side
   2,521.11x = 5,657,015.80
5. Step 5: Solve for x
   x = 5,657,015.80/2,521.11
6. Step 6: Final answer
   x = 2,243.86