Finding the Fourth Proportional to 31,440.50, 43,387.90 and 17,293.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,440.50 : 43,387.90 = 17,293.34 : x
2. Step 2: Convert to fraction form
   31,440.50/43,387.90 = 17,293.34/x
3. Step 3: Cross multiply
   31,440.50x = 43,387.90 × 17,293.34
4. Step 4: Simplify right side
   31,440.50x = 750,321,706.59
5. Step 5: Solve for x
   x = 750,321,706.59/31,440.50
6. Step 6: Final answer
   x = 23,864.81