Finding the Fourth Proportional to 31,043.79, 42,822.27 and 22,536

Step by Step Solution

1. Step 1: Write the proportion equation
   31,043.79 : 42,822.27 = 22,536 : x
2. Step 2: Convert to fraction form
   31,043.79/42,822.27 = 22,536/x
3. Step 3: Cross multiply
   31,043.79x = 42,822.27 × 22,536
4. Step 4: Simplify right side
   31,043.79x = 965,042,676.72
5. Step 5: Solve for x
   x = 965,042,676.72/31,043.79
6. Step 6: Final answer
   x = 31,086.50