Finding the Fourth Proportional to 22,789.28, 34,187.52 and 7,210.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,789.28 : 34,187.52 = 7,210.56 : x
2. Step 2: Convert to fraction form
   22,789.28/34,187.52 = 7,210.56/x
3. Step 3: Cross multiply
   22,789.28x = 34,187.52 × 7,210.56
4. Step 4: Simplify right side
   22,789.28x = 246,511,164.21
5. Step 5: Solve for x
   x = 246,511,164.21/22,789.28
6. Step 6: Final answer
   x = 10,816.98