Finding the Fourth Proportional to 72,367.56, 99,865.44 and 40,536.24

Step by Step Solution

1. Step 1: Write the proportion equation
   72,367.56 : 99,865.44 = 40,536.24 : x
2. Step 2: Convert to fraction form
   72,367.56/99,865.44 = 40,536.24/x
3. Step 3: Cross multiply
   72,367.56x = 99,865.44 × 40,536.24
4. Step 4: Simplify right side
   72,367.56x = 4,048,169,443.55
5. Step 5: Solve for x
   x = 4,048,169,443.55/72,367.56
6. Step 6: Final answer
   x = 55,939.01