Finding the Fourth Proportional to 31,294.76, 43,187.31 and 17,146.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,294.76 : 43,187.31 = 17,146.69 : x
2. Step 2: Convert to fraction form
   31,294.76/43,187.31 = 17,146.69/x
3. Step 3: Cross multiply
   31,294.76x = 43,187.31 × 17,146.69
4. Step 4: Simplify right side
   31,294.76x = 740,519,308.54
5. Step 5: Solve for x
   x = 740,519,308.54/31,294.76
6. Step 6: Final answer
   x = 23,662.73