Finding the Fourth Proportional to 9,020.06, 12,447.90 and 5,663

Step by Step Solution

1. Step 1: Write the proportion equation
   9,020.06 : 12,447.90 = 5,663 : x
2. Step 2: Convert to fraction form
   9,020.06/12,447.90 = 5,663/x
3. Step 3: Cross multiply
   9,020.06x = 12,447.90 × 5,663
4. Step 4: Simplify right side
   9,020.06x = 70,492,457.70
5. Step 5: Solve for x
   x = 70,492,457.70/9,020.06
6. Step 6: Final answer
   x = 7,815.08