Finding the Fourth Proportional to 1,132,399.78, 1,562,664.83 and 616,155.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132,399.78 : 1,562,664.83 = 616,155.80 : x
2. Step 2: Convert to fraction form
   1,132,399.78/1,562,664.83 = 616,155.80/x
3. Step 3: Cross multiply
   1,132,399.78x = 1,562,664.83 × 616,155.80
4. Step 4: Simplify right side
   1,132,399.78x = 962,844,987,566.41
5. Step 5: Solve for x
   x = 962,844,987,566.41/1,132,399.78
6. Step 6: Final answer
   x = 850,269.50