Finding the Fourth Proportional to 31,739.45, 43,801.83 and 17,591.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,739.45 : 43,801.83 = 17,591.31 : x
2. Step 2: Convert to fraction form
   31,739.45/43,801.83 = 17,591.31/x
3. Step 3: Cross multiply
   31,739.45x = 43,801.83 × 17,591.31
4. Step 4: Simplify right side
   31,739.45x = 770,531,570.10
5. Step 5: Solve for x
   x = 770,531,570.10/31,739.45
6. Step 6: Final answer
   x = 24,276.78