Finding the Fourth Proportional to 8,768.82, 12,097.50 and 5,581.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,768.82 : 12,097.50 = 5,581.28 : x
2. Step 2: Convert to fraction form
   8,768.82/12,097.50 = 5,581.28/x
3. Step 3: Cross multiply
   8,768.82x = 12,097.50 × 5,581.28
4. Step 4: Simplify right side
   8,768.82x = 67,519,534.80
5. Step 5: Solve for x
   x = 67,519,534.80/8,768.82
6. Step 6: Final answer
   x = 7,699.96