Finding the Fourth Proportional to 71,843.88, 99,144.50 and 41,646.72

Step by Step Solution

1. Step 1: Write the proportion equation
   71,843.88 : 99,144.50 = 41,646.72 : x
2. Step 2: Convert to fraction form
   71,843.88/99,144.50 = 41,646.72/x
3. Step 3: Cross multiply
   71,843.88x = 99,144.50 × 41,646.72
4. Step 4: Simplify right side
   71,843.88x = 4,129,043,022.81
5. Step 5: Solve for x
   x = 4,129,043,022.81/71,843.88
6. Step 6: Final answer
   x = 57,472.44