Finding the Fourth Proportional to 31,867.46, 43,983.42 and 18,443.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,867.46 : 43,983.42 = 18,443.06 : x
2. Step 2: Convert to fraction form
   31,867.46/43,983.42 = 18,443.06/x
3. Step 3: Cross multiply
   31,867.46x = 43,983.42 × 18,443.06
4. Step 4: Simplify right side
   31,867.46x = 811,188,854.07
5. Step 5: Solve for x
   x = 811,188,854.07/31,867.46
6. Step 6: Final answer
   x = 25,455.08