Finding the Fourth Proportional to 31,224.54, 43,067.31 and 19,882.86

Step by Step Solution

1. Step 1: Write the proportion equation
   31,224.54 : 43,067.31 = 19,882.86 : x
2. Step 2: Convert to fraction form
   31,224.54/43,067.31 = 19,882.86/x
3. Step 3: Cross multiply
   31,224.54x = 43,067.31 × 19,882.86
4. Step 4: Simplify right side
   31,224.54x = 856,301,295.31
5. Step 5: Solve for x
   x = 856,301,295.31/31,224.54
6. Step 6: Final answer
   x = 27,423.98