Finding the Fourth Proportional to 2,022.50, 3,033.91 and 654.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.50 : 3,033.91 = 654.50 : x
2. Step 2: Convert to fraction form
   2,022.50/3,033.91 = 654.50/x
3. Step 3: Cross multiply
   2,022.50x = 3,033.91 × 654.50
4. Step 4: Simplify right side
   2,022.50x = 1,985,694.10
5. Step 5: Solve for x
   x = 1,985,694.10/2,022.50
6. Step 6: Final answer
   x = 981.80