Finding the Fourth Proportional to 31,367.96, 43,287.91 and 17,939.32

Step by Step Solution

1. Step 1: Write the proportion equation
   31,367.96 : 43,287.91 = 17,939.32 : x
2. Step 2: Convert to fraction form
   31,367.96/43,287.91 = 17,939.32/x
3. Step 3: Cross multiply
   31,367.96x = 43,287.91 × 17,939.32
4. Step 4: Simplify right side
   31,367.96x = 776,555,734.82
5. Step 5: Solve for x
   x = 776,555,734.82/31,367.96
6. Step 6: Final answer
   x = 24,756.34