Finding the Fourth Proportional to 31,519.71, 43,496.37 and 17,372.61

Step by Step Solution

1. Step 1: Write the proportion equation
   31,519.71 : 43,496.37 = 17,372.61 : x
2. Step 2: Convert to fraction form
   31,519.71/43,496.37 = 17,372.61/x
3. Step 3: Cross multiply
   31,519.71x = 43,496.37 × 17,372.61
4. Step 4: Simplify right side
   31,519.71x = 755,645,472.43
5. Step 5: Solve for x
   x = 755,645,472.43/31,519.71
6. Step 6: Final answer
   x = 23,973.74