Finding the Fourth Proportional to 16,775.05, 25,157.56 and 5,528.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,775.05 : 25,157.56 = 5,528.31 : x
2. Step 2: Convert to fraction form
   16,775.05/25,157.56 = 5,528.31/x
3. Step 3: Cross multiply
   16,775.05x = 25,157.56 × 5,528.31
4. Step 4: Simplify right side
   16,775.05x = 139,078,790.52
5. Step 5: Solve for x
   x = 139,078,790.52/16,775.05
6. Step 6: Final answer
   x = 8,290.81