Finding the Fourth Proportional to 10,899.42, 16,349.34 and 3,108.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,899.42 : 16,349.34 = 3,108.42 : x
2. Step 2: Convert to fraction form
   10,899.42/16,349.34 = 3,108.42/x
3. Step 3: Cross multiply
   10,899.42x = 16,349.34 × 3,108.42
4. Step 4: Simplify right side
   10,899.42x = 50,820,615.44
5. Step 5: Solve for x
   x = 50,820,615.44/10,899.42
6. Step 6: Final answer
   x = 4,662.69