Finding the Fourth Proportional to 72,791.93, 109,187.93 and 41,605.31

Step by Step Solution

1. Step 1: Write the proportion equation
   72,791.93 : 109,187.93 = 41,605.31 : x
2. Step 2: Convert to fraction form
   72,791.93/109,187.93 = 41,605.31/x
3. Step 3: Cross multiply
   72,791.93x = 109,187.93 × 41,605.31
4. Step 4: Simplify right side
   72,791.93x = 4,542,798,052.89
5. Step 5: Solve for x
   x = 4,542,798,052.89/72,791.93
6. Step 6: Final answer
   x = 62,407.99