Finding the Fourth Proportional to 10,821.94, 16,233.28 and 5,555.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,821.94 : 16,233.28 = 5,555.52 : x
2. Step 2: Convert to fraction form
   10,821.94/16,233.28 = 5,555.52/x
3. Step 3: Cross multiply
   10,821.94x = 16,233.28 × 5,555.52
4. Step 4: Simplify right side
   10,821.94x = 90,184,297.82
5. Step 5: Solve for x
   x = 90,184,297.82/10,821.94
6. Step 6: Final answer
   x = 8,333.47