Finding the Fourth Proportional to 9,022.30, 12,442.71 and 5,665.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,022.30 : 12,442.71 = 5,665.43 : x
2. Step 2: Convert to fraction form
   9,022.30/12,442.71 = 5,665.43/x
3. Step 3: Cross multiply
   9,022.30x = 12,442.71 × 5,665.43
4. Step 4: Simplify right side
   9,022.30x = 70,493,302.52
5. Step 5: Solve for x
   x = 70,493,302.52/9,022.30
6. Step 6: Final answer
   x = 7,813.23