Finding the Fourth Proportional to 31,255.32, 43,133.25 and 17,109.08

Step by Step Solution

1. Step 1: Write the proportion equation
   31,255.32 : 43,133.25 = 17,109.08 : x
2. Step 2: Convert to fraction form
   31,255.32/43,133.25 = 17,109.08/x
3. Step 3: Cross multiply
   31,255.32x = 43,133.25 × 17,109.08
4. Step 4: Simplify right side
   31,255.32x = 737,970,009.24
5. Step 5: Solve for x
   x = 737,970,009.24/31,255.32
6. Step 6: Final answer
   x = 23,611.02