Finding the Fourth Proportional to 9,022.80, 12,443.40 and 5,665.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,022.80 : 12,443.40 = 5,665.94 : x
2. Step 2: Convert to fraction form
   9,022.80/12,443.40 = 5,665.94/x
3. Step 3: Cross multiply
   9,022.80x = 12,443.40 × 5,665.94
4. Step 4: Simplify right side
   9,022.80x = 70,503,495.58
5. Step 5: Solve for x
   x = 70,503,495.58/9,022.80
6. Step 6: Final answer
   x = 7,813.93