Finding the Fourth Proportional to 9,020.75, 12,447.76 and 5,662.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,020.75 : 12,447.76 = 5,662.49 : x
2. Step 2: Convert to fraction form
   9,020.75/12,447.76 = 5,662.49/x
3. Step 3: Cross multiply
   9,020.75x = 12,447.76 × 5,662.49
4. Step 4: Simplify right side
   9,020.75x = 70,485,316.52
5. Step 5: Solve for x
   x = 70,485,316.52/9,020.75
6. Step 6: Final answer
   x = 7,813.69