Finding the Fourth Proportional to 525,823.38, 789,433.83 and 355,616.82

Step by Step Solution

1. Step 1: Write the proportion equation
   525,823.38 : 789,433.83 = 355,616.82 : x
2. Step 2: Convert to fraction form
   525,823.38/789,433.83 = 355,616.82/x
3. Step 3: Cross multiply
   525,823.38x = 789,433.83 × 355,616.82
4. Step 4: Simplify right side
   525,823.38x = 280,735,948,225.02
5. Step 5: Solve for x
   x = 280,735,948,225.02/525,823.38
6. Step 6: Final answer
   x = 533,897.80