Finding the Fourth Proportional to 31,082.13, 42,892.74 and 16,934.67

Step by Step Solution

1. Step 1: Write the proportion equation
   31,082.13 : 42,892.74 = 16,934.67 : x
2. Step 2: Convert to fraction form
   31,082.13/42,892.74 = 16,934.67/x
3. Step 3: Cross multiply
   31,082.13x = 42,892.74 × 16,934.67
4. Step 4: Simplify right side
   31,082.13x = 726,374,397.30
5. Step 5: Solve for x
   x = 726,374,397.30/31,082.13
6. Step 6: Final answer
   x = 23,369.52