Finding the Fourth Proportional to 72,220.52, 108,376.94 and 30,667.48

Step by Step Solution

1. Step 1: Write the proportion equation
   72,220.52 : 108,376.94 = 30,667.48 : x
2. Step 2: Convert to fraction form
   72,220.52/108,376.94 = 30,667.48/x
3. Step 3: Cross multiply
   72,220.52x = 108,376.94 × 30,667.48
4. Step 4: Simplify right side
   72,220.52x = 3,323,647,639.91
5. Step 5: Solve for x
   x = 3,323,647,639.91/72,220.52
6. Step 6: Final answer
   x = 46,020.82