Finding the Fourth Proportional to 10,819.71, 16,223.76 and 5,552.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,819.71 : 16,223.76 = 5,552.55 : x
2. Step 2: Convert to fraction form
   10,819.71/16,223.76 = 5,552.55/x
3. Step 3: Cross multiply
   10,819.71x = 16,223.76 × 5,552.55
4. Step 4: Simplify right side
   10,819.71x = 90,083,238.59
5. Step 5: Solve for x
   x = 90,083,238.59/10,819.71
6. Step 6: Final answer
   x = 8,325.85