Finding the Fourth Proportional to 31,256.44, 43,133.92 and 17,109.32

Step by Step Solution

1. Step 1: Write the proportion equation
   31,256.44 : 43,133.92 = 17,109.32 : x
2. Step 2: Convert to fraction form
   31,256.44/43,133.92 = 17,109.32/x
3. Step 3: Cross multiply
   31,256.44x = 43,133.92 × 17,109.32
4. Step 4: Simplify right side
   31,256.44x = 737,991,781.69
5. Step 5: Solve for x
   x = 737,991,781.69/31,256.44
6. Step 6: Final answer
   x = 23,610.87