Finding the Fourth Proportional to 71,846.97, 99,151.89 and 40,015.88

Step by Step Solution

1. Step 1: Write the proportion equation
   71,846.97 : 99,151.89 = 40,015.88 : x
2. Step 2: Convert to fraction form
   71,846.97/99,151.89 = 40,015.88/x
3. Step 3: Cross multiply
   71,846.97x = 99,151.89 × 40,015.88
4. Step 4: Simplify right side
   71,846.97x = 3,967,649,636.25
5. Step 5: Solve for x
   x = 3,967,649,636.25/71,846.97
6. Step 6: Final answer
   x = 55,223.62