Finding the Fourth Proportional to 769,792.54, 1,062,270.86 and 425,608.56

Step by Step Solution

1. Step 1: Write the proportion equation
   769,792.54 : 1,062,270.86 = 425,608.56 : x
2. Step 2: Convert to fraction form
   769,792.54/1,062,270.86 = 425,608.56/x
3. Step 3: Cross multiply
   769,792.54x = 1,062,270.86 × 425,608.56
4. Step 4: Simplify right side
   769,792.54x = 452,111,571,054.56
5. Step 5: Solve for x
   x = 452,111,571,054.56/769,792.54
6. Step 6: Final answer
   x = 587,316.12