Finding the Fourth Proportional to 71,397.72, 107,105.72 and 23,992.47

Step by Step Solution

1. Step 1: Write the proportion equation
   71,397.72 : 107,105.72 = 23,992.47 : x
2. Step 2: Convert to fraction form
   71,397.72/107,105.72 = 23,992.47/x
3. Step 3: Cross multiply
   71,397.72x = 107,105.72 × 23,992.47
4. Step 4: Simplify right side
   71,397.72x = 2,569,730,653.97
5. Step 5: Solve for x
   x = 2,569,730,653.97/71,397.72
6. Step 6: Final answer
   x = 35,991.77