Finding the Fourth Proportional to 71,892.78, 99,212.43 and 41,696

Step by Step Solution

1. Step 1: Write the proportion equation
   71,892.78 : 99,212.43 = 41,696 : x
2. Step 2: Convert to fraction form
   71,892.78/99,212.43 = 41,696/x
3. Step 3: Cross multiply
   71,892.78x = 99,212.43 × 41,696
4. Step 4: Simplify right side
   71,892.78x = 4,136,761,481.28
5. Step 5: Solve for x
   x = 4,136,761,481.28/71,892.78
6. Step 6: Final answer
   x = 57,540.71