Finding the Fourth Proportional to 741,022.22, 1,022,597.33 and 418,725.38

Step by Step Solution

1. Step 1: Write the proportion equation
   741,022.22 : 1,022,597.33 = 418,725.38 : x
2. Step 2: Convert to fraction form
   741,022.22/1,022,597.33 = 418,725.38/x
3. Step 3: Cross multiply
   741,022.22x = 1,022,597.33 × 418,725.38
4. Step 4: Simplify right side
   741,022.22x = 428,187,456,054.10
5. Step 5: Solve for x
   x = 428,187,456,054.10/741,022.22
6. Step 6: Final answer
   x = 577,833.49