Finding the Fourth Proportional to 31,338.14, 43,249.59 and 17,906.79

Step by Step Solution

1. Step 1: Write the proportion equation
   31,338.14 : 43,249.59 = 17,906.79 : x
2. Step 2: Convert to fraction form
   31,338.14/43,249.59 = 17,906.79/x
3. Step 3: Cross multiply
   31,338.14x = 43,249.59 × 17,906.79
4. Step 4: Simplify right side
   31,338.14x = 774,461,325.72
5. Step 5: Solve for x
   x = 774,461,325.72/31,338.14
6. Step 6: Final answer
   x = 24,713.06