Finding the Fourth Proportional to 2,616.10, 3,610.27 and 1,553.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.10 : 3,610.27 = 1,553.99 : x
2. Step 2: Convert to fraction form
   2,616.10/3,610.27 = 1,553.99/x
3. Step 3: Cross multiply
   2,616.10x = 3,610.27 × 1,553.99
4. Step 4: Simplify right side
   2,616.10x = 5,610,307.37
5. Step 5: Solve for x
   x = 5,610,307.37/2,616.10
6. Step 6: Final answer
   x = 2,144.53