Finding the Fourth Proportional to 72,148.38, 108,233.31 and 22,224.30

Step by Step Solution

1. Step 1: Write the proportion equation
   72,148.38 : 108,233.31 = 22,224.30 : x
2. Step 2: Convert to fraction form
   72,148.38/108,233.31 = 22,224.30/x
3. Step 3: Cross multiply
   72,148.38x = 108,233.31 × 22,224.30
4. Step 4: Simplify right side
   72,148.38x = 2,405,409,551.43
5. Step 5: Solve for x
   x = 2,405,409,551.43/72,148.38
6. Step 6: Final answer
   x = 33,339.76