Finding the Fourth Proportional to 1,091.94, 1,504.52 and 742.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,091.94 : 1,504.52 = 742.02 : x
2. Step 2: Convert to fraction form
   1,091.94/1,504.52 = 742.02/x
3. Step 3: Cross multiply
   1,091.94x = 1,504.52 × 742.02
4. Step 4: Simplify right side
   1,091.94x = 1,116,383.93
5. Step 5: Solve for x
   x = 1,116,383.93/1,091.94
6. Step 6: Final answer
   x = 1,022.39