Finding the Fourth Proportional to 31,457.43, 43,411.55 and 17,310.33

Step by Step Solution

1. Step 1: Write the proportion equation
   31,457.43 : 43,411.55 = 17,310.33 : x
2. Step 2: Convert to fraction form
   31,457.43/43,411.55 = 17,310.33/x
3. Step 3: Cross multiply
   31,457.43x = 43,411.55 × 17,310.33
4. Step 4: Simplify right side
   31,457.43x = 751,468,169.76
5. Step 5: Solve for x
   x = 751,468,169.76/31,457.43
6. Step 6: Final answer
   x = 23,888.42