Finding the Fourth Proportional to 8,089.97, 12,049.56 and 7,730.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,089.97 : 12,049.56 = 7,730.12 : x
2. Step 2: Convert to fraction form
   8,089.97/12,049.56 = 7,730.12/x
3. Step 3: Cross multiply
   8,089.97x = 12,049.56 × 7,730.12
4. Step 4: Simplify right side
   8,089.97x = 93,144,484.50
5. Step 5: Solve for x
   x = 93,144,484.50/8,089.97
6. Step 6: Final answer
   x = 11,513.58