Finding the Fourth Proportional to 768,929.25, 1,061,131.28 and 424,758.06

Step by Step Solution

1. Step 1: Write the proportion equation
   768,929.25 : 1,061,131.28 = 424,758.06 : x
2. Step 2: Convert to fraction form
   768,929.25/1,061,131.28 = 424,758.06/x
3. Step 3: Cross multiply
   768,929.25x = 1,061,131.28 × 424,758.06
4. Step 4: Simplify right side
   768,929.25x = 450,724,061,774.33
5. Step 5: Solve for x
   x = 450,724,061,774.33/768,929.25
6. Step 6: Final answer
   x = 586,171.04