Finding the Fourth Proportional to 7,747.59, 10,688.22 and 5,228.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,747.59 : 10,688.22 = 5,228.94 : x
2. Step 2: Convert to fraction form
   7,747.59/10,688.22 = 5,228.94/x
3. Step 3: Cross multiply
   7,747.59x = 10,688.22 × 5,228.94
4. Step 4: Simplify right side
   7,747.59x = 55,888,061.09
5. Step 5: Solve for x
   x = 55,888,061.09/7,747.59
6. Step 6: Final answer
   x = 7,213.61