Finding the Fourth Proportional to 31,043.26, 42,839.76 and 17,429.41

Step by Step Solution

1. Step 1: Write the proportion equation
   31,043.26 : 42,839.76 = 17,429.41 : x
2. Step 2: Convert to fraction form
   31,043.26/42,839.76 = 17,429.41/x
3. Step 3: Cross multiply
   31,043.26x = 42,839.76 × 17,429.41
4. Step 4: Simplify right side
   31,043.26x = 746,671,741.34
5. Step 5: Solve for x
   x = 746,671,741.34/31,043.26
6. Step 6: Final answer
   x = 24,052.62