Finding the Fourth Proportional to 31,516.29, 47,258.33 and 10,448.73

Step by Step Solution

1. Step 1: Write the proportion equation
   31,516.29 : 47,258.33 = 10,448.73 : x
2. Step 2: Convert to fraction form
   31,516.29/47,258.33 = 10,448.73/x
3. Step 3: Cross multiply
   31,516.29x = 47,258.33 × 10,448.73
4. Step 4: Simplify right side
   31,516.29x = 493,789,478.18
5. Step 5: Solve for x
   x = 493,789,478.18/31,516.29
6. Step 6: Final answer
   x = 15,667.75