Finding the Fourth Proportional to 30,832.49, 42,548.83 and 16,685.33

Step by Step Solution

1. Step 1: Write the proportion equation
   30,832.49 : 42,548.83 = 16,685.33 : x
2. Step 2: Convert to fraction form
   30,832.49/42,548.83 = 16,685.33/x
3. Step 3: Cross multiply
   30,832.49x = 42,548.83 × 16,685.33
4. Step 4: Simplify right side
   30,832.49x = 709,941,396.89
5. Step 5: Solve for x
   x = 709,941,396.89/30,832.49
6. Step 6: Final answer
   x = 23,025.76