Finding the Fourth Proportional to 2,323.98, 3,211.24 and 1,728.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,323.98 : 3,211.24 = 1,728.88 : x
2. Step 2: Convert to fraction form
   2,323.98/3,211.24 = 1,728.88/x
3. Step 3: Cross multiply
   2,323.98x = 3,211.24 × 1,728.88
4. Step 4: Simplify right side
   2,323.98x = 5,551,848.61
5. Step 5: Solve for x
   x = 5,551,848.61/2,323.98
6. Step 6: Final answer
   x = 2,388.94