Finding the Fourth Proportional to 10,713, 16,065.28 and 3,691.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,713 : 16,065.28 = 3,691.68 : x
2. Step 2: Convert to fraction form
   10,713/16,065.28 = 3,691.68/x
3. Step 3: Cross multiply
   10,713x = 16,065.28 × 3,691.68
4. Step 4: Simplify right side
   10,713x = 59,307,872.87
5. Step 5: Solve for x
   x = 59,307,872.87/10,713
6. Step 6: Final answer
   x = 5,536.07