Finding the Fourth Proportional to 10,899.94, 16,350.06 and 3,108.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,899.94 : 16,350.06 = 3,108.75 : x
2. Step 2: Convert to fraction form
   10,899.94/16,350.06 = 3,108.75/x
3. Step 3: Cross multiply
   10,899.94x = 16,350.06 × 3,108.75
4. Step 4: Simplify right side
   10,899.94x = 50,828,249.03
5. Step 5: Solve for x
   x = 50,828,249.03/10,899.94
6. Step 6: Final answer
   x = 4,663.17