Finding the Fourth Proportional to 31,849.72, 47,775.65 and 8,476.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,849.72 : 47,775.65 = 8,476.18 : x
2. Step 2: Convert to fraction form
   31,849.72/47,775.65 = 8,476.18/x
3. Step 3: Cross multiply
   31,849.72x = 47,775.65 × 8,476.18
4. Step 4: Simplify right side
   31,849.72x = 404,954,910.77
5. Step 5: Solve for x
   x = 404,954,910.77/31,849.72
6. Step 6: Final answer
   x = 12,714.55