Finding the Fourth Proportional to 72,806.26, 109,209.28 and 22,890.72

Step by Step Solution

1. Step 1: Write the proportion equation
   72,806.26 : 109,209.28 = 22,890.72 : x
2. Step 2: Convert to fraction form
   72,806.26/109,209.28 = 22,890.72/x
3. Step 3: Cross multiply
   72,806.26x = 109,209.28 × 22,890.72
4. Step 4: Simplify right side
   72,806.26x = 2,499,879,049.88
5. Step 5: Solve for x
   x = 2,499,879,049.88/72,806.26
6. Step 6: Final answer
   x = 34,336.05