Finding the Fourth Proportional to 31,401.50, 43,333.80 and 17,061.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,401.50 : 43,333.80 = 17,061.18 : x
2. Step 2: Convert to fraction form
   31,401.50/43,333.80 = 17,061.18/x
3. Step 3: Cross multiply
   31,401.50x = 43,333.80 × 17,061.18
4. Step 4: Simplify right side
   31,401.50x = 739,325,761.88
5. Step 5: Solve for x
   x = 739,325,761.88/31,401.50
6. Step 6: Final answer
   x = 23,544.28