Finding the Fourth Proportional to 722,662.72, 1,083,603.12 and 573,860.32

Step by Step Solution

1. Step 1: Write the proportion equation
   722,662.72 : 1,083,603.12 = 573,860.32 : x
2. Step 2: Convert to fraction form
   722,662.72/1,083,603.12 = 573,860.32/x
3. Step 3: Cross multiply
   722,662.72x = 1,083,603.12 × 573,860.32
4. Step 4: Simplify right side
   722,662.72x = 621,836,833,196.20
5. Step 5: Solve for x
   x = 621,836,833,196.20/722,662.72
6. Step 6: Final answer
   x = 860,480.02