Finding the Fourth Proportional to 31,082.51, 42,892.66 and 16,935.46

Step by Step Solution

1. Step 1: Write the proportion equation
   31,082.51 : 42,892.66 = 16,935.46 : x
2. Step 2: Convert to fraction form
   31,082.51/42,892.66 = 16,935.46/x
3. Step 3: Cross multiply
   31,082.51x = 42,892.66 × 16,935.46
4. Step 4: Simplify right side
   31,082.51x = 726,406,927.72
5. Step 5: Solve for x
   x = 726,406,927.72/31,082.51
6. Step 6: Final answer
   x = 23,370.28