Finding the Fourth Proportional to 31,789.76, 43,868.98 and 17,449.58

Step by Step Solution

1. Step 1: Write the proportion equation
   31,789.76 : 43,868.98 = 17,449.58 : x
2. Step 2: Convert to fraction form
   31,789.76/43,868.98 = 17,449.58/x
3. Step 3: Cross multiply
   31,789.76x = 43,868.98 × 17,449.58
4. Step 4: Simplify right side
   31,789.76x = 765,495,013.06
5. Step 5: Solve for x
   x = 765,495,013.06/31,789.76
6. Step 6: Final answer
   x = 24,079.93