Finding the Fourth Proportional to 10,893.88, 16,336.90 and 3,776.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,893.88 : 16,336.90 = 3,776.20 : x
2. Step 2: Convert to fraction form
   10,893.88/16,336.90 = 3,776.20/x
3. Step 3: Cross multiply
   10,893.88x = 16,336.90 × 3,776.20
4. Step 4: Simplify right side
   10,893.88x = 61,691,401.78
5. Step 5: Solve for x
   x = 61,691,401.78/10,893.88
6. Step 6: Final answer
   x = 5,662.94