Finding the Fourth Proportional to 1,198.41, 1,794.27 and 612.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,198.41 : 1,794.27 = 612.15 : x
2. Step 2: Convert to fraction form
   1,198.41/1,794.27 = 612.15/x
3. Step 3: Cross multiply
   1,198.41x = 1,794.27 × 612.15
4. Step 4: Simplify right side
   1,198.41x = 1,098,362.38
5. Step 5: Solve for x
   x = 1,098,362.38/1,198.41
6. Step 6: Final answer
   x = 916.52