Finding the Fourth Proportional to 31,872.72, 43,984.56 and 17,725.68

Step by Step Solution

1. Step 1: Write the proportion equation
   31,872.72 : 43,984.56 = 17,725.68 : x
2. Step 2: Convert to fraction form
   31,872.72/43,984.56 = 17,725.68/x
3. Step 3: Cross multiply
   31,872.72x = 43,984.56 × 17,725.68
4. Step 4: Simplify right side
   31,872.72x = 779,656,235.50
5. Step 5: Solve for x
   x = 779,656,235.50/31,872.72
6. Step 6: Final answer
   x = 24,461.55