Finding the Fourth Proportional to 1,103.52, 1,653.12 and 793.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.52 : 1,653.12 = 793.92 : x
2. Step 2: Convert to fraction form
   1,103.52/1,653.12 = 793.92/x
3. Step 3: Cross multiply
   1,103.52x = 1,653.12 × 793.92
4. Step 4: Simplify right side
   1,103.52x = 1,312,445.03
5. Step 5: Solve for x
   x = 1,312,445.03/1,103.52
6. Step 6: Final answer
   x = 1,189.33