Finding the Fourth Proportional to 31,778.82, 43,854.72 and 17,438.73

Step by Step Solution

1. Step 1: Write the proportion equation
   31,778.82 : 43,854.72 = 17,438.73 : x
2. Step 2: Convert to fraction form
   31,778.82/43,854.72 = 17,438.73/x
3. Step 3: Cross multiply
   31,778.82x = 43,854.72 × 17,438.73
4. Step 4: Simplify right side
   31,778.82x = 764,770,621.31
5. Step 5: Solve for x
   x = 764,770,621.31/31,778.82
6. Step 6: Final answer
   x = 24,065.42