Finding the Fourth Proportional to 2,199.67, 3,035.62 and 1,255.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,199.67 : 3,035.62 = 1,255.61 : x
2. Step 2: Convert to fraction form
   2,199.67/3,035.62 = 1,255.61/x
3. Step 3: Cross multiply
   2,199.67x = 3,035.62 × 1,255.61
4. Step 4: Simplify right side
   2,199.67x = 3,811,554.83
5. Step 5: Solve for x
   x = 3,811,554.83/2,199.67
6. Step 6: Final answer
   x = 1,732.78