Finding the Fourth Proportional to 30,932.56, 42,687.04 and 16,785.41

Step by Step Solution

1. Step 1: Write the proportion equation
   30,932.56 : 42,687.04 = 16,785.41 : x
2. Step 2: Convert to fraction form
   30,932.56/42,687.04 = 16,785.41/x
3. Step 3: Cross multiply
   30,932.56x = 42,687.04 × 16,785.41
4. Step 4: Simplify right side
   30,932.56x = 716,519,212.69
5. Step 5: Solve for x
   x = 716,519,212.69/30,932.56
6. Step 6: Final answer
   x = 23,163.92