Finding the Fourth Proportional to 31,953.30, 47,929.71 and 8,258.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,953.30 : 47,929.71 = 8,258.82 : x
2. Step 2: Convert to fraction form
   31,953.30/47,929.71 = 8,258.82/x
3. Step 3: Cross multiply
   31,953.30x = 47,929.71 × 8,258.82
4. Step 4: Simplify right side
   31,953.30x = 395,842,847.54
5. Step 5: Solve for x
   x = 395,842,847.54/31,953.30
6. Step 6: Final answer
   x = 12,388.17