Finding the Fourth Proportional to 16,522.72, 24,777.96 and 5,427.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,522.72 : 24,777.96 = 5,427.28 : x
2. Step 2: Convert to fraction form
   16,522.72/24,777.96 = 5,427.28/x
3. Step 3: Cross multiply
   16,522.72x = 24,777.96 × 5,427.28
4. Step 4: Simplify right side
   16,522.72x = 134,476,926.75
5. Step 5: Solve for x
   x = 134,476,926.75/16,522.72
6. Step 6: Final answer
   x = 8,138.91