Finding the Fourth Proportional to 1,960.72, 2,706.96 and 1,742.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,960.72 : 2,706.96 = 1,742.04 : x
2. Step 2: Convert to fraction form
   1,960.72/2,706.96 = 1,742.04/x
3. Step 3: Cross multiply
   1,960.72x = 2,706.96 × 1,742.04
4. Step 4: Simplify right side
   1,960.72x = 4,715,632.60
5. Step 5: Solve for x
   x = 4,715,632.60/1,960.72
6. Step 6: Final answer
   x = 2,405.05