Finding the Fourth Proportional to 72,224.10, 108,318.78 and 30,104.76

Step by Step Solution

1. Step 1: Write the proportion equation
   72,224.10 : 108,318.78 = 30,104.76 : x
2. Step 2: Convert to fraction form
   72,224.10/108,318.78 = 30,104.76/x
3. Step 3: Cross multiply
   72,224.10x = 108,318.78 × 30,104.76
4. Step 4: Simplify right side
   72,224.10x = 3,260,910,875.39
5. Step 5: Solve for x
   x = 3,260,910,875.39/72,224.10
6. Step 6: Final answer
   x = 45,149.90