Finding the Fourth Proportional to 7,965.32, 10,989.30 and 5,477

Step by Step Solution

1. Step 1: Write the proportion equation
   7,965.32 : 10,989.30 = 5,477 : x
2. Step 2: Convert to fraction form
   7,965.32/10,989.30 = 5,477/x
3. Step 3: Cross multiply
   7,965.32x = 10,989.30 × 5,477
4. Step 4: Simplify right side
   7,965.32x = 60,188,396.10
5. Step 5: Solve for x
   x = 60,188,396.10/7,965.32
6. Step 6: Final answer
   x = 7,556.31