Finding the Fourth Proportional to 10,680.74, 16,023.38 and 3,658.87

Step by Step Solution

1. Step 1: Write the proportion equation
   10,680.74 : 16,023.38 = 3,658.87 : x
2. Step 2: Convert to fraction form
   10,680.74/16,023.38 = 3,658.87/x
3. Step 3: Cross multiply
   10,680.74x = 16,023.38 × 3,658.87
4. Step 4: Simplify right side
   10,680.74x = 58,627,493.56
5. Step 5: Solve for x
   x = 58,627,493.56/10,680.74
6. Step 6: Final answer
   x = 5,489.09