Finding the Fourth Proportional to 72,107.89, 99,529.90 and 41,906.77

Step by Step Solution

1. Step 1: Write the proportion equation
   72,107.89 : 99,529.90 = 41,906.77 : x
2. Step 2: Convert to fraction form
   72,107.89/99,529.90 = 41,906.77/x
3. Step 3: Cross multiply
   72,107.89x = 99,529.90 × 41,906.77
4. Step 4: Simplify right side
   72,107.89x = 4,170,976,273.83
5. Step 5: Solve for x
   x = 4,170,976,273.83/72,107.89
6. Step 6: Final answer
   x = 57,843.55