Finding the Fourth Proportional to 31,049.50, 42,854.21 and 17,622.01

Step by Step Solution

1. Step 1: Write the proportion equation
   31,049.50 : 42,854.21 = 17,622.01 : x
2. Step 2: Convert to fraction form
   31,049.50/42,854.21 = 17,622.01/x
3. Step 3: Cross multiply
   31,049.50x = 42,854.21 × 17,622.01
4. Step 4: Simplify right side
   31,049.50x = 755,177,252.96
5. Step 5: Solve for x
   x = 755,177,252.96/31,049.50
6. Step 6: Final answer
   x = 24,321.72