Finding the Fourth Proportional to 31,627.83, 47,445.39 and 8,256.09

Step by Step Solution

1. Step 1: Write the proportion equation
   31,627.83 : 47,445.39 = 8,256.09 : x
2. Step 2: Convert to fraction form
   31,627.83/47,445.39 = 8,256.09/x
3. Step 3: Cross multiply
   31,627.83x = 47,445.39 × 8,256.09
4. Step 4: Simplify right side
   31,627.83x = 391,713,409.93
5. Step 5: Solve for x
   x = 391,713,409.93/31,627.83
6. Step 6: Final answer
   x = 12,385.09