Finding the Fourth Proportional to 7,733.72, 10,682.54 and 5,721.22

Step by Step Solution

1. Step 1: Write the proportion equation
   7,733.72 : 10,682.54 = 5,721.22 : x
2. Step 2: Convert to fraction form
   7,733.72/10,682.54 = 5,721.22/x
3. Step 3: Cross multiply
   7,733.72x = 10,682.54 × 5,721.22
4. Step 4: Simplify right side
   7,733.72x = 61,117,161.50
5. Step 5: Solve for x
   x = 61,117,161.50/7,733.72
6. Step 6: Final answer
   x = 7,902.69