Finding the Fourth Proportional to 11,850.50, 17,774.33 and 3,086.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,850.50 : 17,774.33 = 3,086.10 : x
2. Step 2: Convert to fraction form
   11,850.50/17,774.33 = 3,086.10/x
3. Step 3: Cross multiply
   11,850.50x = 17,774.33 × 3,086.10
4. Step 4: Simplify right side
   11,850.50x = 54,853,359.81
5. Step 5: Solve for x
   x = 54,853,359.81/11,850.50
6. Step 6: Final answer
   x = 4,628.78