Finding the Fourth Proportional to 993,513.83, 1,371,074.27 and 557,965.95

Step by Step Solution

1. Step 1: Write the proportion equation
   993,513.83 : 1,371,074.27 = 557,965.95 : x
2. Step 2: Convert to fraction form
   993,513.83/1,371,074.27 = 557,965.95/x
3. Step 3: Cross multiply
   993,513.83x = 1,371,074.27 × 557,965.95
4. Step 4: Simplify right side
   993,513.83x = 765,012,754,791.28
5. Step 5: Solve for x
   x = 765,012,754,791.28/993,513.83
6. Step 6: Final answer
   x = 770,007.16