Finding the Fourth Proportional to 52,282.72, 72,100.96 and 40,327.12

Step by Step Solution

1. Step 1: Write the proportion equation
   52,282.72 : 72,100.96 = 40,327.12 : x
2. Step 2: Convert to fraction form
   52,282.72/72,100.96 = 40,327.12/x
3. Step 3: Cross multiply
   52,282.72x = 72,100.96 × 40,327.12
4. Step 4: Simplify right side
   52,282.72x = 2,907,624,066.04
5. Step 5: Solve for x
   x = 2,907,624,066.04/52,282.72
6. Step 6: Final answer
   x = 55,613.48