Finding the Fourth Proportional to 1,196.44, 1,796.19 and 922.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.44 : 1,796.19 = 922.72 : x
2. Step 2: Convert to fraction form
   1,196.44/1,796.19 = 922.72/x
3. Step 3: Cross multiply
   1,196.44x = 1,796.19 × 922.72
4. Step 4: Simplify right side
   1,196.44x = 1,657,380.44
5. Step 5: Solve for x
   x = 1,657,380.44/1,196.44
6. Step 6: Final answer
   x = 1,385.26