Finding the Fourth Proportional to 1,696.96, 2,540.68 and 1,382.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,696.96 : 2,540.68 = 1,382.72 : x
2. Step 2: Convert to fraction form
   1,696.96/2,540.68 = 1,382.72/x
3. Step 3: Cross multiply
   1,696.96x = 2,540.68 × 1,382.72
4. Step 4: Simplify right side
   1,696.96x = 3,513,049.05
5. Step 5: Solve for x
   x = 3,513,049.05/1,696.96
6. Step 6: Final answer
   x = 2,070.20