Finding the Fourth Proportional to 1,578.87, 2,367.30 and 1,359.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578.87 : 2,367.30 = 1,359.57 : x
2. Step 2: Convert to fraction form
   1,578.87/2,367.30 = 1,359.57/x
3. Step 3: Cross multiply
   1,578.87x = 2,367.30 × 1,359.57
4. Step 4: Simplify right side
   1,578.87x = 3,218,510.06
5. Step 5: Solve for x
   x = 3,218,510.06/1,578.87
6. Step 6: Final answer
   x = 2,038.49