Finding the Fourth Proportional to 10,910.13, 16,365.99 and 3,119.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,910.13 : 16,365.99 = 3,119.55 : x
2. Step 2: Convert to fraction form
   10,910.13/16,365.99 = 3,119.55/x
3. Step 3: Cross multiply
   10,910.13x = 16,365.99 × 3,119.55
4. Step 4: Simplify right side
   10,910.13x = 51,054,524.10
5. Step 5: Solve for x
   x = 51,054,524.10/10,910.13
6. Step 6: Final answer
   x = 4,679.55