Finding the Fourth Proportional to 10,891.82, 16,339.85 and 3,495.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,891.82 : 16,339.85 = 3,495.71 : x
2. Step 2: Convert to fraction form
   10,891.82/16,339.85 = 3,495.71/x
3. Step 3: Cross multiply
   10,891.82x = 16,339.85 × 3,495.71
4. Step 4: Simplify right side
   10,891.82x = 57,119,426.63
5. Step 5: Solve for x
   x = 57,119,426.63/10,891.82
6. Step 6: Final answer
   x = 5,244.25