Finding the Fourth Proportional to 31,520.92, 47,288.72 and 10,744.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,520.92 : 47,288.72 = 10,744.42 : x
2. Step 2: Convert to fraction form
   31,520.92/47,288.72 = 10,744.42/x
3. Step 3: Cross multiply
   31,520.92x = 47,288.72 × 10,744.42
4. Step 4: Simplify right side
   31,520.92x = 508,089,868.94
5. Step 5: Solve for x
   x = 508,089,868.94/31,520.92
6. Step 6: Final answer
   x = 16,119.13