Finding the Fourth Proportional to 72,828.72, 109,285.53 and 30,706.23

Step by Step Solution

1. Step 1: Write the proportion equation
   72,828.72 : 109,285.53 = 30,706.23 : x
2. Step 2: Convert to fraction form
   72,828.72/109,285.53 = 30,706.23/x
3. Step 3: Cross multiply
   72,828.72x = 109,285.53 × 30,706.23
4. Step 4: Simplify right side
   72,828.72x = 3,355,746,619.85
5. Step 5: Solve for x
   x = 3,355,746,619.85/72,828.72
6. Step 6: Final answer
   x = 46,077.24