Finding the Fourth Proportional to 741,018.73, 1,022,592.52 and 418,721.86

Step by Step Solution

1. Step 1: Write the proportion equation
   741,018.73 : 1,022,592.52 = 418,721.86 : x
2. Step 2: Convert to fraction form
   741,018.73/1,022,592.52 = 418,721.86/x
3. Step 3: Cross multiply
   741,018.73x = 1,022,592.52 × 418,721.86
4. Step 4: Simplify right side
   741,018.73x = 428,181,839,902.88
5. Step 5: Solve for x
   x = 428,181,839,902.88/741,018.73
6. Step 6: Final answer
   x = 577,828.64