Finding the Fourth Proportional to 10,790.06, 16,181.91 and 5,521.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,790.06 : 16,181.91 = 5,521.82 : x
2. Step 2: Convert to fraction form
   10,790.06/16,181.91 = 5,521.82/x
3. Step 3: Cross multiply
   10,790.06x = 16,181.91 × 5,521.82
4. Step 4: Simplify right side
   10,790.06x = 89,353,513.37
5. Step 5: Solve for x
   x = 89,353,513.37/10,790.06
6. Step 6: Final answer
   x = 8,281.10