Finding the Fourth Proportional to 31,229.46, 43,110.72 and 19,914.14

Step by Step Solution

1. Step 1: Write the proportion equation
   31,229.46 : 43,110.72 = 19,914.14 : x
2. Step 2: Convert to fraction form
   31,229.46/43,110.72 = 19,914.14/x
3. Step 3: Cross multiply
   31,229.46x = 43,110.72 × 19,914.14
4. Step 4: Simplify right side
   31,229.46x = 858,512,913.58
5. Step 5: Solve for x
   x = 858,512,913.58/31,229.46
6. Step 6: Final answer
   x = 27,490.48