Finding the Fourth Proportional to 2,022.84, 2,790.72 and 1,236.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.84 : 2,790.72 = 1,236.60 : x
2. Step 2: Convert to fraction form
   2,022.84/2,790.72 = 1,236.60/x
3. Step 3: Cross multiply
   2,022.84x = 2,790.72 × 1,236.60
4. Step 4: Simplify right side
   2,022.84x = 3,451,004.35
5. Step 5: Solve for x
   x = 3,451,004.35/2,022.84
6. Step 6: Final answer
   x = 1,706.02