Finding the Fourth Proportional to 1,629.60, 2,443.33 and 926.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,629.60 : 2,443.33 = 926.82 : x
2. Step 2: Convert to fraction form
   1,629.60/2,443.33 = 926.82/x
3. Step 3: Cross multiply
   1,629.60x = 2,443.33 × 926.82
4. Step 4: Simplify right side
   1,629.60x = 2,264,537.43
5. Step 5: Solve for x
   x = 2,264,537.43/1,629.60
6. Step 6: Final answer
   x = 1,389.63