Finding the Fourth Proportional to 7,789.22, 10,736.32 and 5,521.32

Step by Step Solution

1. Step 1: Write the proportion equation
   7,789.22 : 10,736.32 = 5,521.32 : x
2. Step 2: Convert to fraction form
   7,789.22/10,736.32 = 5,521.32/x
3. Step 3: Cross multiply
   7,789.22x = 10,736.32 × 5,521.32
4. Step 4: Simplify right side
   7,789.22x = 59,278,658.34
5. Step 5: Solve for x
   x = 59,278,658.34/7,789.22
6. Step 6: Final answer
   x = 7,610.35