Finding the Fourth Proportional to 1,578.89, 2,367.73 and 797.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578.89 : 2,367.73 = 797.34 : x
2. Step 2: Convert to fraction form
   1,578.89/2,367.73 = 797.34/x
3. Step 3: Cross multiply
   1,578.89x = 2,367.73 × 797.34
4. Step 4: Simplify right side
   1,578.89x = 1,887,895.71
5. Step 5: Solve for x
   x = 1,887,895.71/1,578.89
6. Step 6: Final answer
   x = 1,195.71