Finding the Fourth Proportional to 2,022.04, 3,030.82 and 851.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.04 : 3,030.82 = 851.70 : x
2. Step 2: Convert to fraction form
   2,022.04/3,030.82 = 851.70/x
3. Step 3: Cross multiply
   2,022.04x = 3,030.82 × 851.70
4. Step 4: Simplify right side
   2,022.04x = 2,581,349.39
5. Step 5: Solve for x
   x = 2,581,349.39/2,022.04
6. Step 6: Final answer
   x = 1,276.61