Finding the Fourth Proportional to 2,022.06, 2,789.06 and 1,236.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.06 : 2,789.06 = 1,236.50 : x
2. Step 2: Convert to fraction form
   2,022.06/2,789.06 = 1,236.50/x
3. Step 3: Cross multiply
   2,022.06x = 2,789.06 × 1,236.50
4. Step 4: Simplify right side
   2,022.06x = 3,448,672.69
5. Step 5: Solve for x
   x = 3,448,672.69/2,022.06
6. Step 6: Final answer
   x = 1,705.52