Finding the Fourth Proportional to 1,599.72, 2,395.71 and 1,323.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,599.72 : 2,395.71 = 1,323.78 : x
2. Step 2: Convert to fraction form
   1,599.72/2,395.71 = 1,323.78/x
3. Step 3: Cross multiply
   1,599.72x = 2,395.71 × 1,323.78
4. Step 4: Simplify right side
   1,599.72x = 3,171,392.98
5. Step 5: Solve for x
   x = 3,171,392.98/1,599.72
6. Step 6: Final answer
   x = 1,982.47