Finding the Fourth Proportional to 1,008,454.37, 1,391,735.86 and 616,155.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,008,454.37 : 1,391,735.86 = 616,155.27 : x
2. Step 2: Convert to fraction form
   1,008,454.37/1,391,735.86 = 616,155.27/x
3. Step 3: Cross multiply
   1,008,454.37x = 1,391,735.86 × 616,155.27
4. Step 4: Simplify right side
   1,008,454.37x = 857,525,377,827.59
5. Step 5: Solve for x
   x = 857,525,377,827.59/1,008,454.37
6. Step 6: Final answer
   x = 850,336.32