Finding the Fourth Proportional to 2,610.06, 3,601.92 and 1,561.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.06 : 3,601.92 = 1,561.92 : x
2. Step 2: Convert to fraction form
   2,610.06/3,601.92 = 1,561.92/x
3. Step 3: Cross multiply
   2,610.06x = 3,601.92 × 1,561.92
4. Step 4: Simplify right side
   2,610.06x = 5,625,910.89
5. Step 5: Solve for x
   x = 5,625,910.89/2,610.06
6. Step 6: Final answer
   x = 2,155.47