Finding the Fourth Proportional to 830.29, 1,243.89 and 738.02

Step by Step Solution

1. Step 1: Write the proportion equation
   830.29 : 1,243.89 = 738.02 : x
2. Step 2: Convert to fraction form
   830.29/1,243.89 = 738.02/x
3. Step 3: Cross multiply
   830.29x = 1,243.89 × 738.02
4. Step 4: Simplify right side
   830.29x = 918,018.81
5. Step 5: Solve for x
   x = 918,018.81/830.29
6. Step 6: Final answer
   x = 1,105.66