Finding the Fourth Proportional to 1,152,517.82, 1,728,860.29 and 442,545.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,517.82 : 1,728,860.29 = 442,545.86 : x
2. Step 2: Convert to fraction form
   1,152,517.82/1,728,860.29 = 442,545.86/x
3. Step 3: Cross multiply
   1,152,517.82x = 1,728,860.29 × 442,545.86
4. Step 4: Simplify right side
   1,152,517.82x = 765,099,967,073.69
5. Step 5: Solve for x
   x = 765,099,967,073.69/1,152,517.82
6. Step 6: Final answer
   x = 663,850.88