Finding the Fourth Proportional to 1,641,792,270.52, 2,265,674,554.83 and 889,111,288.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,641,792,270.52 : 2,265,674,554.83 = 889,111,288.72 : x
2. Step 2: Convert to fraction form
   1,641,792,270.52/2,265,674,554.83 = 889,111,288.72/x
3. Step 3: Cross multiply
   1,641,792,270.52x = 2,265,674,554.83 × 889,111,288.72
4. Step 4: Simplify right side
   1,641,792,270.52x = 2,014,436,823,265,013,504
5. Step 5: Solve for x
   x = 2,014,436,823,265,013,504/1,641,792,270.52
6. Step 6: Final answer
   x = 1,226,974,239.94