Finding the Fourth Proportional to 73,111.98, 109,542.42 and 49,367.64

Step by Step Solution

1. Step 1: Write the proportion equation
   73,111.98 : 109,542.42 = 49,367.64 : x
2. Step 2: Convert to fraction form
   73,111.98/109,542.42 = 49,367.64/x
3. Step 3: Cross multiply
   73,111.98x = 109,542.42 × 49,367.64
4. Step 4: Simplify right side
   73,111.98x = 5,407,850,755.29
5. Step 5: Solve for x
   x = 5,407,850,755.29/73,111.98
6. Step 6: Final answer
   x = 73,966.68