Finding the Fourth Proportional to 31,868.94, 43,976.73 and 17,720.58

Step by Step Solution

1. Step 1: Write the proportion equation
   31,868.94 : 43,976.73 = 17,720.58 : x
2. Step 2: Convert to fraction form
   31,868.94/43,976.73 = 17,720.58/x
3. Step 3: Cross multiply
   31,868.94x = 43,976.73 × 17,720.58
4. Step 4: Simplify right side
   31,868.94x = 779,293,162.10
5. Step 5: Solve for x
   x = 779,293,162.10/31,868.94
6. Step 6: Final answer
   x = 24,453.06