Finding the Fourth Proportional to 8,806.50, 12,153 and 5,080.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,806.50 : 12,153 = 5,080.50 : x
2. Step 2: Convert to fraction form
   8,806.50/12,153 = 5,080.50/x
3. Step 3: Cross multiply
   8,806.50x = 12,153 × 5,080.50
4. Step 4: Simplify right side
   8,806.50x = 61,743,316.50
5. Step 5: Solve for x
   x = 61,743,316.50/8,806.50
6. Step 6: Final answer
   x = 7,011.11