Finding the Fourth Proportional to 10,691.71, 16,039.15 and 3,295.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,691.71 : 16,039.15 = 3,295.55 : x
2. Step 2: Convert to fraction form
   10,691.71/16,039.15 = 3,295.55/x
3. Step 3: Cross multiply
   10,691.71x = 16,039.15 × 3,295.55
4. Step 4: Simplify right side
   10,691.71x = 52,857,820.78
5. Step 5: Solve for x
   x = 52,857,820.78/10,691.71
6. Step 6: Final answer
   x = 4,943.81