Finding the Fourth Proportional to 31,386.72, 43,313.61 and 17,046.48

Step by Step Solution

1. Step 1: Write the proportion equation
   31,386.72 : 43,313.61 = 17,046.48 : x
2. Step 2: Convert to fraction form
   31,386.72/43,313.61 = 17,046.48/x
3. Step 3: Cross multiply
   31,386.72x = 43,313.61 × 17,046.48
4. Step 4: Simplify right side
   31,386.72x = 738,344,586.59
5. Step 5: Solve for x
   x = 738,344,586.59/31,386.72
6. Step 6: Final answer
   x = 23,524.11