Finding the Fourth Proportional to 282,581.37, 423,872.27 and 72,219.51

Step by Step Solution

1. Step 1: Write the proportion equation
   282,581.37 : 423,872.27 = 72,219.51 : x
2. Step 2: Convert to fraction form
   282,581.37/423,872.27 = 72,219.51/x
3. Step 3: Cross multiply
   282,581.37x = 423,872.27 × 72,219.51
4. Step 4: Simplify right side
   282,581.37x = 30,611,847,280.89
5. Step 5: Solve for x
   x = 30,611,847,280.89/282,581.37
6. Step 6: Final answer
   x = 108,329.32