Finding the Fourth Proportional to 2,120.27, 2,926.73 and 1,726.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120.27 : 2,926.73 = 1,726.61 : x
2. Step 2: Convert to fraction form
   2,120.27/2,926.73 = 1,726.61/x
3. Step 3: Cross multiply
   2,120.27x = 2,926.73 × 1,726.61
4. Step 4: Simplify right side
   2,120.27x = 5,053,310.97
5. Step 5: Solve for x
   x = 5,053,310.97/2,120.27
6. Step 6: Final answer
   x = 2,383.34