Finding the Fourth Proportional to 10,267.88, 14,169.72 and 5,552.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,267.88 : 14,169.72 = 5,552.20 : x
2. Step 2: Convert to fraction form
   10,267.88/14,169.72 = 5,552.20/x
3. Step 3: Cross multiply
   10,267.88x = 14,169.72 × 5,552.20
4. Step 4: Simplify right side
   10,267.88x = 78,673,119.38
5. Step 5: Solve for x
   x = 78,673,119.38/10,267.88
6. Step 6: Final answer
   x = 7,662.06