Finding the Fourth Proportional to 2,611.92, 3,603.78 and 1,563.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.92 : 3,603.78 = 1,563.24 : x
2. Step 2: Convert to fraction form
   2,611.92/3,603.78 = 1,563.24/x
3. Step 3: Cross multiply
   2,611.92x = 3,603.78 × 1,563.24
4. Step 4: Simplify right side
   2,611.92x = 5,633,573.05
5. Step 5: Solve for x
   x = 5,633,573.05/2,611.92
6. Step 6: Final answer
   x = 2,156.87