Finding the Fourth Proportional to 31,164.57, 43,007.02 and 17,017.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,164.57 : 43,007.02 = 17,017.31 : x
2. Step 2: Convert to fraction form
   31,164.57/43,007.02 = 17,017.31/x
3. Step 3: Cross multiply
   31,164.57x = 43,007.02 × 17,017.31
4. Step 4: Simplify right side
   31,164.57x = 731,863,856.49
5. Step 5: Solve for x
   x = 731,863,856.49/31,164.57
6. Step 6: Final answer
   x = 23,483.84