Finding the Fourth Proportional to 738.76, 1,105.39 and 730.56

Step by Step Solution

1. Step 1: Write the proportion equation
   738.76 : 1,105.39 = 730.56 : x
2. Step 2: Convert to fraction form
   738.76/1,105.39 = 730.56/x
3. Step 3: Cross multiply
   738.76x = 1,105.39 × 730.56
4. Step 4: Simplify right side
   738.76x = 807,553.72
5. Step 5: Solve for x
   x = 807,553.72/738.76
6. Step 6: Final answer
   x = 1,093.12