Finding the Fourth Proportional to 31,522.11, 43,520.78 and 19,601.67

Step by Step Solution

1. Step 1: Write the proportion equation
   31,522.11 : 43,520.78 = 19,601.67 : x
2. Step 2: Convert to fraction form
   31,522.11/43,520.78 = 19,601.67/x
3. Step 3: Cross multiply
   31,522.11x = 43,520.78 × 19,601.67
4. Step 4: Simplify right side
   31,522.11x = 853,079,869.69
5. Step 5: Solve for x
   x = 853,079,869.69/31,522.11
6. Step 6: Final answer
   x = 27,062.91