Finding the Fourth Proportional to 71,917.16, 99,233.82 and 41,690.10

Step by Step Solution

1. Step 1: Write the proportion equation
   71,917.16 : 99,233.82 = 41,690.10 : x
2. Step 2: Convert to fraction form
   71,917.16/99,233.82 = 41,690.10/x
3. Step 3: Cross multiply
   71,917.16x = 99,233.82 × 41,690.10
4. Step 4: Simplify right side
   71,917.16x = 4,137,067,879.18
5. Step 5: Solve for x
   x = 4,137,067,879.18/71,917.16
6. Step 6: Final answer
   x = 57,525.46