Finding the Fourth Proportional to 1,736.88, 2,585.82 and 1,728.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,736.88 : 2,585.82 = 1,728.24 : x
2. Step 2: Convert to fraction form
   1,736.88/2,585.82 = 1,728.24/x
3. Step 3: Cross multiply
   1,736.88x = 2,585.82 × 1,728.24
4. Step 4: Simplify right side
   1,736.88x = 4,468,917.56
5. Step 5: Solve for x
   x = 4,468,917.56/1,736.88
6. Step 6: Final answer
   x = 2,572.96