Finding the Fourth Proportional to 31,818.56, 47,732.72 and 10,464.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,818.56 : 47,732.72 = 10,464.56 : x
2. Step 2: Convert to fraction form
   31,818.56/47,732.72 = 10,464.56/x
3. Step 3: Cross multiply
   31,818.56x = 47,732.72 × 10,464.56
4. Step 4: Simplify right side
   31,818.56x = 499,501,912.40
5. Step 5: Solve for x
   x = 499,501,912.40/31,818.56
6. Step 6: Final answer
   x = 15,698.44