Finding the Fourth Proportional to 10,891.82, 16,337.41 and 3,100.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,891.82 : 16,337.41 = 3,100.63 : x
2. Step 2: Convert to fraction form
   10,891.82/16,337.41 = 3,100.63/x
3. Step 3: Cross multiply
   10,891.82x = 16,337.41 × 3,100.63
4. Step 4: Simplify right side
   10,891.82x = 50,656,263.57
5. Step 5: Solve for x
   x = 50,656,263.57/10,891.82
6. Step 6: Final answer
   x = 4,650.85