Finding the Fourth Proportional to 10,877.94, 16,316.82 and 3,086.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,877.94 : 16,316.82 = 3,086.78 : x
2. Step 2: Convert to fraction form
   10,877.94/16,316.82 = 3,086.78/x
3. Step 3: Cross multiply
   10,877.94x = 16,316.82 × 3,086.78
4. Step 4: Simplify right side
   10,877.94x = 50,366,352.06
5. Step 5: Solve for x
   x = 50,366,352.06/10,877.94
6. Step 6: Final answer
   x = 4,630.14