Finding the Fourth Proportional to 10,522.56, 15,749.82 and 5,771.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,522.56 : 15,749.82 = 5,771.94 : x
2. Step 2: Convert to fraction form
   10,522.56/15,749.82 = 5,771.94/x
3. Step 3: Cross multiply
   10,522.56x = 15,749.82 × 5,771.94
4. Step 4: Simplify right side
   10,522.56x = 90,907,016.05
5. Step 5: Solve for x
   x = 90,907,016.05/10,522.56
6. Step 6: Final answer
   x = 8,639.25