Finding the Fourth Proportional to 1,629.96, 2,443.05 and 1,263.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,629.96 : 2,443.05 = 1,263.57 : x
2. Step 2: Convert to fraction form
   1,629.96/2,443.05 = 1,263.57/x
3. Step 3: Cross multiply
   1,629.96x = 2,443.05 × 1,263.57
4. Step 4: Simplify right side
   1,629.96x = 3,086,964.69
5. Step 5: Solve for x
   x = 3,086,964.69/1,629.96
6. Step 6: Final answer
   x = 1,893.89