Finding the Fourth Proportional to 31,312.96, 43,214.61 and 17,168.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,312.96 : 43,214.61 = 17,168.50 : x
2. Step 2: Convert to fraction form
   31,312.96/43,214.61 = 17,168.50/x
3. Step 3: Cross multiply
   31,312.96x = 43,214.61 × 17,168.50
4. Step 4: Simplify right side
   31,312.96x = 741,930,031.79
5. Step 5: Solve for x
   x = 741,930,031.79/31,312.96
6. Step 6: Final answer
   x = 23,694.02