Finding the Fourth Proportional to 10,899.37, 16,351.82 and 3,108.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,899.37 : 16,351.82 = 3,108.18 : x
2. Step 2: Convert to fraction form
   10,899.37/16,351.82 = 3,108.18/x
3. Step 3: Cross multiply
   10,899.37x = 16,351.82 × 3,108.18
4. Step 4: Simplify right side
   10,899.37x = 50,824,457.32
5. Step 5: Solve for x
   x = 50,824,457.32/10,899.37
6. Step 6: Final answer
   x = 4,663.06