Finding the Fourth Proportional to 2,611.02, 3,603.65 and 1,563.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.02 : 3,603.65 = 1,563.29 : x
2. Step 2: Convert to fraction form
   2,611.02/3,603.65 = 1,563.29/x
3. Step 3: Cross multiply
   2,611.02x = 3,603.65 × 1,563.29
4. Step 4: Simplify right side
   2,611.02x = 5,633,524.17
5. Step 5: Solve for x
   x = 5,633,524.17/2,611.02
6. Step 6: Final answer
   x = 2,157.60