Finding the Fourth Proportional to 72,074.34, 99,458.34 and 40,245.24

Step by Step Solution

1. Step 1: Write the proportion equation
   72,074.34 : 99,458.34 = 40,245.24 : x
2. Step 2: Convert to fraction form
   72,074.34/99,458.34 = 40,245.24/x
3. Step 3: Cross multiply
   72,074.34x = 99,458.34 × 40,245.24
4. Step 4: Simplify right side
   72,074.34x = 4,002,724,763.30
5. Step 5: Solve for x
   x = 4,002,724,763.30/72,074.34
6. Step 6: Final answer
   x = 55,536.06