Finding the Fourth Proportional to 31,904.60, 43,982.72 and 22,443.80

Step by Step Solution

1. Step 1: Write the proportion equation
   31,904.60 : 43,982.72 = 22,443.80 : x
2. Step 2: Convert to fraction form
   31,904.60/43,982.72 = 22,443.80/x
3. Step 3: Cross multiply
   31,904.60x = 43,982.72 × 22,443.80
4. Step 4: Simplify right side
   31,904.60x = 987,139,371.14
5. Step 5: Solve for x
   x = 987,139,371.14/31,904.60
6. Step 6: Final answer
   x = 30,940.35