Finding the Fourth Proportional to 1,083.76, 1,626.72 and 737.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083.76 : 1,626.72 = 737.12 : x
2. Step 2: Convert to fraction form
   1,083.76/1,626.72 = 737.12/x
3. Step 3: Cross multiply
   1,083.76x = 1,626.72 × 737.12
4. Step 4: Simplify right side
   1,083.76x = 1,199,087.85
5. Step 5: Solve for x
   x = 1,199,087.85/1,083.76
6. Step 6: Final answer
   x = 1,106.41