Finding the Fourth Proportional to 31,170.29, 43,004.31 and 17,738.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,170.29 : 43,004.31 = 17,738.18 : x
2. Step 2: Convert to fraction form
   31,170.29/43,004.31 = 17,738.18/x
3. Step 3: Cross multiply
   31,170.29x = 43,004.31 × 17,738.18
4. Step 4: Simplify right side
   31,170.29x = 762,817,976.53
5. Step 5: Solve for x
   x = 762,817,976.53/31,170.29
6. Step 6: Final answer
   x = 24,472.60