Finding the Fourth Proportional to 150,832.96, 225,904.88 and 72,002.72

Step by Step Solution

1. Step 1: Write the proportion equation
   150,832.96 : 225,904.88 = 72,002.72 : x
2. Step 2: Convert to fraction form
   150,832.96/225,904.88 = 72,002.72/x
3. Step 3: Cross multiply
   150,832.96x = 225,904.88 × 72,002.72
4. Step 4: Simplify right side
   150,832.96x = 16,265,765,821.27
5. Step 5: Solve for x
   x = 16,265,765,821.27/150,832.96
6. Step 6: Final answer
   x = 107,839.60