Finding the Fourth Proportional to 57,812.13, 86,665.59 and 22,250.79

Step by Step Solution

1. Step 1: Write the proportion equation
   57,812.13 : 86,665.59 = 22,250.79 : x
2. Step 2: Convert to fraction form
   57,812.13/86,665.59 = 22,250.79/x
3. Step 3: Cross multiply
   57,812.13x = 86,665.59 × 22,250.79
4. Step 4: Simplify right side
   57,812.13x = 1,928,377,843.32
5. Step 5: Solve for x
   x = 1,928,377,843.32/57,812.13
6. Step 6: Final answer
   x = 33,355.94