Finding the Fourth Proportional to 2,081.75, 2,872.83 and 1,197.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.75 : 2,872.83 = 1,197.61 : x
2. Step 2: Convert to fraction form
   2,081.75/2,872.83 = 1,197.61/x
3. Step 3: Cross multiply
   2,081.75x = 2,872.83 × 1,197.61
4. Step 4: Simplify right side
   2,081.75x = 3,440,529.94
5. Step 5: Solve for x
   x = 3,440,529.94/2,081.75
6. Step 6: Final answer
   x = 1,652.71