Finding the Fourth Proportional to 31,725, 43,780.50 and 17,579.97

Step by Step Solution

1. Step 1: Write the proportion equation
   31,725 : 43,780.50 = 17,579.97 : x
2. Step 2: Convert to fraction form
   31,725/43,780.50 = 17,579.97/x
3. Step 3: Cross multiply
   31,725x = 43,780.50 × 17,579.97
4. Step 4: Simplify right side
   31,725x = 769,659,876.59
5. Step 5: Solve for x
   x = 769,659,876.59/31,725
6. Step 6: Final answer
   x = 24,260.36