Finding the Fourth Proportional to 72,105.07, 99,504.42 and 41,908.07

Step by Step Solution

1. Step 1: Write the proportion equation
   72,105.07 : 99,504.42 = 41,908.07 : x
2. Step 2: Convert to fraction form
   72,105.07/99,504.42 = 41,908.07/x
3. Step 3: Cross multiply
   72,105.07x = 99,504.42 × 41,908.07
4. Step 4: Simplify right side
   72,105.07x = 4,170,038,198.67
5. Step 5: Solve for x
   x = 4,170,038,198.67/72,105.07
6. Step 6: Final answer
   x = 57,832.80