Finding the Fourth Proportional to 2,133.83, 3,200.72 and 1,022.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,133.83 : 3,200.72 = 1,022.99 : x
2. Step 2: Convert to fraction form
   2,133.83/3,200.72 = 1,022.99/x
3. Step 3: Cross multiply
   2,133.83x = 3,200.72 × 1,022.99
4. Step 4: Simplify right side
   2,133.83x = 3,274,291.11
5. Step 5: Solve for x
   x = 3,274,291.11/2,133.83
6. Step 6: Final answer
   x = 1,534.46