Finding the Fourth Proportional to 8,760.76, 12,089.84 and 5,616.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,760.76 : 12,089.84 = 5,616.94 : x
2. Step 2: Convert to fraction form
   8,760.76/12,089.84 = 5,616.94/x
3. Step 3: Cross multiply
   8,760.76x = 12,089.84 × 5,616.94
4. Step 4: Simplify right side
   8,760.76x = 67,907,905.89
5. Step 5: Solve for x
   x = 67,907,905.89/8,760.76
6. Step 6: Final answer
   x = 7,751.37