Finding the Fourth Proportional to 31,010.27, 42,793.16 and 17,397.49

Step by Step Solution

1. Step 1: Write the proportion equation
   31,010.27 : 42,793.16 = 17,397.49 : x
2. Step 2: Convert to fraction form
   31,010.27/42,793.16 = 17,397.49/x
3. Step 3: Cross multiply
   31,010.27x = 42,793.16 × 17,397.49
4. Step 4: Simplify right side
   31,010.27x = 744,493,573.17
5. Step 5: Solve for x
   x = 744,493,573.17/31,010.27
6. Step 6: Final answer
   x = 24,007.97