Finding the Fourth Proportional to 11,067.68, 16,591.48 and 5,522.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,067.68 : 16,591.48 = 5,522.72 : x
2. Step 2: Convert to fraction form
   11,067.68/16,591.48 = 5,522.72/x
3. Step 3: Cross multiply
   11,067.68x = 16,591.48 × 5,522.72
4. Step 4: Simplify right side
   11,067.68x = 91,630,098.43
5. Step 5: Solve for x
   x = 91,630,098.43/11,067.68
6. Step 6: Final answer
   x = 8,279.07