Finding the Fourth Proportional to 72,552.72, 108,846.48 and 30,409.68

Step by Step Solution

1. Step 1: Write the proportion equation
   72,552.72 : 108,846.48 = 30,409.68 : x
2. Step 2: Convert to fraction form
   72,552.72/108,846.48 = 30,409.68/x
3. Step 3: Cross multiply
   72,552.72x = 108,846.48 × 30,409.68
4. Step 4: Simplify right side
   72,552.72x = 3,309,986,625.93
5. Step 5: Solve for x
   x = 3,309,986,625.93/72,552.72
6. Step 6: Final answer
   x = 45,621.81