Finding the Fourth Proportional to 1,150.83, 1,589.09 and 938.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.83 : 1,589.09 = 938.18 : x
2. Step 2: Convert to fraction form
   1,150.83/1,589.09 = 938.18/x
3. Step 3: Cross multiply
   1,150.83x = 1,589.09 × 938.18
4. Step 4: Simplify right side
   1,150.83x = 1,490,845.78
5. Step 5: Solve for x
   x = 1,490,845.78/1,150.83
6. Step 6: Final answer
   x = 1,295.45