Finding the Fourth Proportional to 51,328, 77,022.72 and 22,144

Step by Step Solution

1. Step 1: Write the proportion equation
   51,328 : 77,022.72 = 22,144 : x
2. Step 2: Convert to fraction form
   51,328/77,022.72 = 22,144/x
3. Step 3: Cross multiply
   51,328x = 77,022.72 × 22,144
4. Step 4: Simplify right side
   51,328x = 1,705,591,111.68
5. Step 5: Solve for x
   x = 1,705,591,111.68/51,328
6. Step 6: Final answer
   x = 33,229.25