Finding the Fourth Proportional to 1,629.73, 2,249.33 and 931.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,629.73 : 2,249.33 = 931.10 : x
2. Step 2: Convert to fraction form
   1,629.73/2,249.33 = 931.10/x
3. Step 3: Cross multiply
   1,629.73x = 2,249.33 × 931.10
4. Step 4: Simplify right side
   1,629.73x = 2,094,352.13
5. Step 5: Solve for x
   x = 2,094,352.13/1,629.73
6. Step 6: Final answer
   x = 1,285.09