Finding the Fourth Proportional to 31,487.25, 43,451.39 and 17,339.73

Step by Step Solution

1. Step 1: Write the proportion equation
   31,487.25 : 43,451.39 = 17,339.73 : x
2. Step 2: Convert to fraction form
   31,487.25/43,451.39 = 17,339.73/x
3. Step 3: Cross multiply
   31,487.25x = 43,451.39 × 17,339.73
4. Step 4: Simplify right side
   31,487.25x = 753,435,284.03
5. Step 5: Solve for x
   x = 753,435,284.03/31,487.25
6. Step 6: Final answer
   x = 23,928.27