Finding the Fourth Proportional to 31,819.24, 43,909.32 and 17,672.98

Step by Step Solution

1. Step 1: Write the proportion equation
   31,819.24 : 43,909.32 = 17,672.98 : x
2. Step 2: Convert to fraction form
   31,819.24/43,909.32 = 17,672.98/x
3. Step 3: Cross multiply
   31,819.24x = 43,909.32 × 17,672.98
4. Step 4: Simplify right side
   31,819.24x = 776,008,534.17
5. Step 5: Solve for x
   x = 776,008,534.17/31,819.24
6. Step 6: Final answer
   x = 24,388.03