Finding the Fourth Proportional to 31,836.98, 47,755.43 and 8,463.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,836.98 : 47,755.43 = 8,463.42 : x
2. Step 2: Convert to fraction form
   31,836.98/47,755.43 = 8,463.42/x
3. Step 3: Cross multiply
   31,836.98x = 47,755.43 × 8,463.42
4. Step 4: Simplify right side
   31,836.98x = 404,174,250.79
5. Step 5: Solve for x
   x = 404,174,250.79/31,836.98
6. Step 6: Final answer
   x = 12,695.12