Finding the Fourth Proportional to 16,774.81, 25,157.18 and 5,528.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,774.81 : 25,157.18 = 5,528.06 : x
2. Step 2: Convert to fraction form
   16,774.81/25,157.18 = 5,528.06/x
3. Step 3: Cross multiply
   16,774.81x = 25,157.18 × 5,528.06
4. Step 4: Simplify right side
   16,774.81x = 139,070,477.18
5. Step 5: Solve for x
   x = 139,070,477.18/16,774.81
6. Step 6: Final answer
   x = 8,290.44