Finding the Fourth Proportional to 71,776.72, 99,055.12 and 41,563.36

Step by Step Solution

1. Step 1: Write the proportion equation
   71,776.72 : 99,055.12 = 41,563.36 : x
2. Step 2: Convert to fraction form
   71,776.72/99,055.12 = 41,563.36/x
3. Step 3: Cross multiply
   71,776.72x = 99,055.12 × 41,563.36
4. Step 4: Simplify right side
   71,776.72x = 4,117,063,612.40
5. Step 5: Solve for x
   x = 4,117,063,612.40/71,776.72
6. Step 6: Final answer
   x = 57,359.32