Finding the Fourth Proportional to 1,048.81, 1,447.11 and 650.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,048.81 : 1,447.11 = 650.83 : x
2. Step 2: Convert to fraction form
   1,048.81/1,447.11 = 650.83/x
3. Step 3: Cross multiply
   1,048.81x = 1,447.11 × 650.83
4. Step 4: Simplify right side
   1,048.81x = 941,815.37
5. Step 5: Solve for x
   x = 941,815.37/1,048.81
6. Step 6: Final answer
   x = 897.99