Finding the Fourth Proportional to 72,806.02, 109,208.90 and 22,890.47

Step by Step Solution

1. Step 1: Write the proportion equation
   72,806.02 : 109,208.90 = 22,890.47 : x
2. Step 2: Convert to fraction form
   72,806.02/109,208.90 = 22,890.47/x
3. Step 3: Cross multiply
   72,806.02x = 109,208.90 × 22,890.47
4. Step 4: Simplify right side
   72,806.02x = 2,499,843,049.18
5. Step 5: Solve for x
   x = 2,499,843,049.18/72,806.02
6. Step 6: Final answer
   x = 34,335.66