Finding the Fourth Proportional to 42,858.38, 64,262.94 and 22,843.22

Step by Step Solution

1. Step 1: Write the proportion equation
   42,858.38 : 64,262.94 = 22,843.22 : x
2. Step 2: Convert to fraction form
   42,858.38/64,262.94 = 22,843.22/x
3. Step 3: Cross multiply
   42,858.38x = 64,262.94 × 22,843.22
4. Step 4: Simplify right side
   42,858.38x = 1,467,972,476.27
5. Step 5: Solve for x
   x = 1,467,972,476.27/42,858.38
6. Step 6: Final answer
   x = 34,251.70