Finding the Fourth Proportional to 31,819.72, 43,910.58 and 17,672.08

Step by Step Solution

1. Step 1: Write the proportion equation
   31,819.72 : 43,910.58 = 17,672.08 : x
2. Step 2: Convert to fraction form
   31,819.72/43,910.58 = 17,672.08/x
3. Step 3: Cross multiply
   31,819.72x = 43,910.58 × 17,672.08
4. Step 4: Simplify right side
   31,819.72x = 775,991,282.61
5. Step 5: Solve for x
   x = 775,991,282.61/31,819.72
6. Step 6: Final answer
   x = 24,387.12