Finding the Fourth Proportional to 31,491.76, 43,456.96 and 17,341.92

Step by Step Solution

1. Step 1: Write the proportion equation
   31,491.76 : 43,456.96 = 17,341.92 : x
2. Step 2: Convert to fraction form
   31,491.76/43,456.96 = 17,341.92/x
3. Step 3: Cross multiply
   31,491.76x = 43,456.96 × 17,341.92
4. Step 4: Simplify right side
   31,491.76x = 753,627,123.76
5. Step 5: Solve for x
   x = 753,627,123.76/31,491.76
6. Step 6: Final answer
   x = 23,930.93