Finding the Fourth Proportional to 741,018.87, 1,022,592.69 and 418,722

Step by Step Solution

1. Step 1: Write the proportion equation
   741,018.87 : 1,022,592.69 = 418,722 : x
2. Step 2: Convert to fraction form
   741,018.87/1,022,592.69 = 418,722/x
3. Step 3: Cross multiply
   741,018.87x = 1,022,592.69 × 418,722
4. Step 4: Simplify right side
   741,018.87x = 428,182,056,342.18
5. Step 5: Solve for x
   x = 428,182,056,342.18/741,018.87
6. Step 6: Final answer
   x = 577,828.82