Finding the Fourth Proportional to 7,013.27, 10,517.81 and 5,777.61

Step by Step Solution

1. Step 1: Write the proportion equation
   7,013.27 : 10,517.81 = 5,777.61 : x
2. Step 2: Convert to fraction form
   7,013.27/10,517.81 = 5,777.61/x
3. Step 3: Cross multiply
   7,013.27x = 10,517.81 × 5,777.61
4. Step 4: Simplify right side
   7,013.27x = 60,767,775.35
5. Step 5: Solve for x
   x = 60,767,775.35/7,013.27
6. Step 6: Final answer
   x = 8,664.69