Finding the Fourth Proportional to 72,283.72, 99,732.57 and 41,649.31

Step by Step Solution

1. Step 1: Write the proportion equation
   72,283.72 : 99,732.57 = 41,649.31 : x
2. Step 2: Convert to fraction form
   72,283.72/99,732.57 = 41,649.31/x
3. Step 3: Cross multiply
   72,283.72x = 99,732.57 × 41,649.31
4. Step 4: Simplify right side
   72,283.72x = 4,153,792,725.03
5. Step 5: Solve for x
   x = 4,153,792,725.03/72,283.72
6. Step 6: Final answer
   x = 57,465.12