Finding the Fourth Proportional to 10,711.82, 16,064.65 and 3,691.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,711.82 : 16,064.65 = 3,691.55 : x
2. Step 2: Convert to fraction form
   10,711.82/16,064.65 = 3,691.55/x
3. Step 3: Cross multiply
   10,711.82x = 16,064.65 × 3,691.55
4. Step 4: Simplify right side
   10,711.82x = 59,303,440.25
5. Step 5: Solve for x
   x = 59,303,440.25/10,711.82
6. Step 6: Final answer
   x = 5,536.26