Finding the Fourth Proportional to 72,335.16, 99,822.72 and 40,504.56

Step by Step Solution

1. Step 1: Write the proportion equation
   72,335.16 : 99,822.72 = 40,504.56 : x
2. Step 2: Convert to fraction form
   72,335.16/99,822.72 = 40,504.56/x
3. Step 3: Cross multiply
   72,335.16x = 99,822.72 × 40,504.56
4. Step 4: Simplify right side
   72,335.16x = 4,043,275,351.60
5. Step 5: Solve for x
   x = 4,043,275,351.60/72,335.16
6. Step 6: Final answer
   x = 55,896.40