Finding the Fourth Proportional to 2,022.96, 3,036.60 and 869.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.96 : 3,036.60 = 869.52 : x
2. Step 2: Convert to fraction form
   2,022.96/3,036.60 = 869.52/x
3. Step 3: Cross multiply
   2,022.96x = 3,036.60 × 869.52
4. Step 4: Simplify right side
   2,022.96x = 2,640,384.43
5. Step 5: Solve for x
   x = 2,640,384.43/2,022.96
6. Step 6: Final answer
   x = 1,305.21