Finding the Fourth Proportional to 2,022.32, 2,792.04 and 1,276.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.32 : 2,792.04 = 1,276.40 : x
2. Step 2: Convert to fraction form
   2,022.32/2,792.04 = 1,276.40/x
3. Step 3: Cross multiply
   2,022.32x = 2,792.04 × 1,276.40
4. Step 4: Simplify right side
   2,022.32x = 3,563,759.86
5. Step 5: Solve for x
   x = 3,563,759.86/2,022.32
6. Step 6: Final answer
   x = 1,762.21