Finding the Fourth Proportional to 709,196.50, 978,557.52 and 422,743.24

Step by Step Solution

1. Step 1: Write the proportion equation
   709,196.50 : 978,557.52 = 422,743.24 : x
2. Step 2: Convert to fraction form
   709,196.50/978,557.52 = 422,743.24/x
3. Step 3: Cross multiply
   709,196.50x = 978,557.52 × 422,743.24
4. Step 4: Simplify right side
   709,196.50x = 413,678,576,531.17
5. Step 5: Solve for x
   x = 413,678,576,531.17/709,196.50
6. Step 6: Final answer
   x = 583,306.00