Finding the Fourth Proportional to 1,091.08, 1,506.23 and 743.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,091.08 : 1,506.23 = 743.59 : x
2. Step 2: Convert to fraction form
   1,091.08/1,506.23 = 743.59/x
3. Step 3: Cross multiply
   1,091.08x = 1,506.23 × 743.59
4. Step 4: Simplify right side
   1,091.08x = 1,120,017.57
5. Step 5: Solve for x
   x = 1,120,017.57/1,091.08
6. Step 6: Final answer
   x = 1,026.52