Finding the Fourth Proportional to 986,297,886.72, 1,361,101,086.72 and 595,081,728

Step by Step Solution

1. Step 1: Write the proportion equation
   986,297,886.72 : 1,361,101,086.72 = 595,081,728 : x
2. Step 2: Convert to fraction form
   986,297,886.72/1,361,101,086.72 = 595,081,728/x
3. Step 3: Cross multiply
   986,297,886.72x = 1,361,101,086.72 × 595,081,728
4. Step 4: Simplify right side
   986,297,886.72x = 809,966,386,668,015,488
5. Step 5: Solve for x
   x = 809,966,386,668,015,488/986,297,886.72
6. Step 6: Final answer
   x = 821,218,819.97