Finding the Fourth Proportional to 31,082.58, 42,893.73 and 16,935.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,082.58 : 42,893.73 = 16,935.12 : x
2. Step 2: Convert to fraction form
   31,082.58/42,893.73 = 16,935.12/x
3. Step 3: Cross multiply
   31,082.58x = 42,893.73 × 16,935.12
4. Step 4: Simplify right side
   31,082.58x = 726,410,464.80
5. Step 5: Solve for x
   x = 726,410,464.80/31,082.58
6. Step 6: Final answer
   x = 23,370.34