Finding the Fourth Proportional to 31,469.82, 43,435.74 and 18,040.83

Step by Step Solution

1. Step 1: Write the proportion equation
   31,469.82 : 43,435.74 = 18,040.83 : x
2. Step 2: Convert to fraction form
   31,469.82/43,435.74 = 18,040.83/x
3. Step 3: Cross multiply
   31,469.82x = 43,435.74 × 18,040.83
4. Step 4: Simplify right side
   31,469.82x = 783,616,706.03
5. Step 5: Solve for x
   x = 783,616,706.03/31,469.82
6. Step 6: Final answer
   x = 24,900.58