Finding the Fourth Proportional to 1,629.48, 2,249.46 and 930.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,629.48 : 2,249.46 = 930.72 : x
2. Step 2: Convert to fraction form
   1,629.48/2,249.46 = 930.72/x
3. Step 3: Cross multiply
   1,629.48x = 2,249.46 × 930.72
4. Step 4: Simplify right side
   1,629.48x = 2,093,617.41
5. Step 5: Solve for x
   x = 2,093,617.41/1,629.48
6. Step 6: Final answer
   x = 1,284.84