Finding the Fourth Proportional to 10,685.56, 16,029.02 and 4,111.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,685.56 : 16,029.02 = 4,111.74 : x
2. Step 2: Convert to fraction form
   10,685.56/16,029.02 = 4,111.74/x
3. Step 3: Cross multiply
   10,685.56x = 16,029.02 × 4,111.74
4. Step 4: Simplify right side
   10,685.56x = 65,907,162.69
5. Step 5: Solve for x
   x = 65,907,162.69/10,685.56
6. Step 6: Final answer
   x = 6,167.87