Finding the Fourth Proportional to 10,720.10, 16,045.59 and 5,518.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,720.10 : 16,045.59 = 5,518.82 : x
2. Step 2: Convert to fraction form
   10,720.10/16,045.59 = 5,518.82/x
3. Step 3: Cross multiply
   10,720.10x = 16,045.59 × 5,518.82
4. Step 4: Simplify right side
   10,720.10x = 88,552,723.00
5. Step 5: Solve for x
   x = 88,552,723.00/10,720.10
6. Step 6: Final answer
   x = 8,260.44