Finding the Fourth Proportional to 3,600.72, 4,969.35 and 2,108.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,600.72 : 4,969.35 = 2,108.55 : x
2. Step 2: Convert to fraction form
   3,600.72/4,969.35 = 2,108.55/x
3. Step 3: Cross multiply
   3,600.72x = 4,969.35 × 2,108.55
4. Step 4: Simplify right side
   3,600.72x = 10,478,122.94
5. Step 5: Solve for x
   x = 10,478,122.94/3,600.72
6. Step 6: Final answer
   x = 2,910.01