Finding the Fourth Proportional to 10,710.42, 16,062.38 and 3,689.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,710.42 : 16,062.38 = 3,689.20 : x
2. Step 2: Convert to fraction form
   10,710.42/16,062.38 = 3,689.20/x
3. Step 3: Cross multiply
   10,710.42x = 16,062.38 × 3,689.20
4. Step 4: Simplify right side
   10,710.42x = 59,257,332.30
5. Step 5: Solve for x
   x = 59,257,332.30/10,710.42
6. Step 6: Final answer
   x = 5,532.68