Finding the Fourth Proportional to 9,020.30, 12,453.39 and 5,665.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,020.30 : 12,453.39 = 5,665.98 : x
2. Step 2: Convert to fraction form
   9,020.30/12,453.39 = 5,665.98/x
3. Step 3: Cross multiply
   9,020.30x = 12,453.39 × 5,665.98
4. Step 4: Simplify right side
   9,020.30x = 70,560,658.67
5. Step 5: Solve for x
   x = 70,560,658.67/9,020.30
6. Step 6: Final answer
   x = 7,822.43