Finding the Fourth Proportional to 10,267.78, 14,169.54 and 5,552.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,267.78 : 14,169.54 = 5,552.06 : x
2. Step 2: Convert to fraction form
   10,267.78/14,169.54 = 5,552.06/x
3. Step 3: Cross multiply
   10,267.78x = 14,169.54 × 5,552.06
4. Step 4: Simplify right side
   10,267.78x = 78,670,136.25
5. Step 5: Solve for x
   x = 78,670,136.25/10,267.78
6. Step 6: Final answer
   x = 7,661.84