Finding the Fourth Proportional to 11,029.76, 16,522.72 and 5,168.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,029.76 : 16,522.72 = 5,168.60 : x
2. Step 2: Convert to fraction form
   11,029.76/16,522.72 = 5,168.60/x
3. Step 3: Cross multiply
   11,029.76x = 16,522.72 × 5,168.60
4. Step 4: Simplify right side
   11,029.76x = 85,399,330.59
5. Step 5: Solve for x
   x = 85,399,330.59/11,029.76
6. Step 6: Final answer
   x = 7,742.63