Finding the Fourth Proportional to 1,725.57, 2,380.19 and 1,411.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,725.57 : 2,380.19 = 1,411.29 : x
2. Step 2: Convert to fraction form
   1,725.57/2,380.19 = 1,411.29/x
3. Step 3: Cross multiply
   1,725.57x = 2,380.19 × 1,411.29
4. Step 4: Simplify right side
   1,725.57x = 3,359,131.29
5. Step 5: Solve for x
   x = 3,359,131.29/1,725.57
6. Step 6: Final answer
   x = 1,946.68