Finding the Fourth Proportional to 72,452.22, 99,984.06 and 40,621.11

Step by Step Solution

1. Step 1: Write the proportion equation
   72,452.22 : 99,984.06 = 40,621.11 : x
2. Step 2: Convert to fraction form
   72,452.22/99,984.06 = 40,621.11/x
3. Step 3: Cross multiply
   72,452.22x = 99,984.06 × 40,621.11
4. Step 4: Simplify right side
   72,452.22x = 4,061,463,499.51
5. Step 5: Solve for x
   x = 4,061,463,499.51/72,452.22
6. Step 6: Final answer
   x = 56,057.13