Finding the Fourth Proportional to 1,728.82, 2,580.69 and 1,600.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,728.82 : 2,580.69 = 1,600.35 : x
2. Step 2: Convert to fraction form
   1,728.82/2,580.69 = 1,600.35/x
3. Step 3: Cross multiply
   1,728.82x = 2,580.69 × 1,600.35
4. Step 4: Simplify right side
   1,728.82x = 4,130,007.24
5. Step 5: Solve for x
   x = 4,130,007.24/1,728.82
6. Step 6: Final answer
   x = 2,388.92