Finding the Fourth Proportional to 1,629.92, 2,443.52 and 899.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,629.92 : 2,443.52 = 899.52 : x
2. Step 2: Convert to fraction form
   1,629.92/2,443.52 = 899.52/x
3. Step 3: Cross multiply
   1,629.92x = 2,443.52 × 899.52
4. Step 4: Simplify right side
   1,629.92x = 2,197,995.11
5. Step 5: Solve for x
   x = 2,197,995.11/1,629.92
6. Step 6: Final answer
   x = 1,348.53