Finding the Fourth Proportional to 31,397.22, 43,328.48 and 17,057.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,397.22 : 43,328.48 = 17,057.18 : x
2. Step 2: Convert to fraction form
   31,397.22/43,328.48 = 17,057.18/x
3. Step 3: Cross multiply
   31,397.22x = 43,328.48 × 17,057.18
4. Step 4: Simplify right side
   31,397.22x = 739,061,682.49
5. Step 5: Solve for x
   x = 739,061,682.49/31,397.22
6. Step 6: Final answer
   x = 23,539.08