Finding the Fourth Proportional to 738,665.98, 1,019,344.71 and 416,369.95

Step by Step Solution

1. Step 1: Write the proportion equation
   738,665.98 : 1,019,344.71 = 416,369.95 : x
2. Step 2: Convert to fraction form
   738,665.98/1,019,344.71 = 416,369.95/x
3. Step 3: Cross multiply
   738,665.98x = 1,019,344.71 × 416,369.95
4. Step 4: Simplify right side
   738,665.98x = 424,424,505,935.47
5. Step 5: Solve for x
   x = 424,424,505,935.47/738,665.98
6. Step 6: Final answer
   x = 574,582.45