Finding the Fourth Proportional to 1,103.72, 1,653.50 and 737.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.72 : 1,653.50 = 737.40 : x
2. Step 2: Convert to fraction form
   1,103.72/1,653.50 = 737.40/x
3. Step 3: Cross multiply
   1,103.72x = 1,653.50 × 737.40
4. Step 4: Simplify right side
   1,103.72x = 1,219,290.90
5. Step 5: Solve for x
   x = 1,219,290.90/1,103.72
6. Step 6: Final answer
   x = 1,104.71