Finding the Fourth Proportional to 31,898.89, 44,020.42 and 19,794.87

Step by Step Solution

1. Step 1: Write the proportion equation
   31,898.89 : 44,020.42 = 19,794.87 : x
2. Step 2: Convert to fraction form
   31,898.89/44,020.42 = 19,794.87/x
3. Step 3: Cross multiply
   31,898.89x = 44,020.42 × 19,794.87
4. Step 4: Simplify right side
   31,898.89x = 871,378,441.76
5. Step 5: Solve for x
   x = 871,378,441.76/31,898.89
6. Step 6: Final answer
   x = 27,316.89