Finding the Fourth Proportional to 72,789.79, 109,185.37 and 22,868.78

Step by Step Solution

1. Step 1: Write the proportion equation
   72,789.79 : 109,185.37 = 22,868.78 : x
2. Step 2: Convert to fraction form
   72,789.79/109,185.37 = 22,868.78/x
3. Step 3: Cross multiply
   72,789.79x = 109,185.37 × 22,868.78
4. Step 4: Simplify right side
   72,789.79x = 2,496,936,216.82
5. Step 5: Solve for x
   x = 2,496,936,216.82/72,789.79
6. Step 6: Final answer
   x = 34,303.39