Finding the Fourth Proportional to 72,867.52, 109,304.88 and 33,406.72

Step by Step Solution

1. Step 1: Write the proportion equation
   72,867.52 : 109,304.88 = 33,406.72 : x
2. Step 2: Convert to fraction form
   72,867.52/109,304.88 = 33,406.72/x
3. Step 3: Cross multiply
   72,867.52x = 109,304.88 × 33,406.72
4. Step 4: Simplify right side
   72,867.52x = 3,651,517,520.79
5. Step 5: Solve for x
   x = 3,651,517,520.79/72,867.52
6. Step 6: Final answer
   x = 50,111.73