Finding the Fourth Proportional to 1,194.18, 1,791.98 and 578.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,194.18 : 1,791.98 = 578.52 : x
2. Step 2: Convert to fraction form
   1,194.18/1,791.98 = 578.52/x
3. Step 3: Cross multiply
   1,194.18x = 1,791.98 × 578.52
4. Step 4: Simplify right side
   1,194.18x = 1,036,696.27
5. Step 5: Solve for x
   x = 1,036,696.27/1,194.18
6. Step 6: Final answer
   x = 868.12