Finding the Fourth Proportional to 10,428,404,398.38, 14,391,470,819.31 and 5,670,958,517.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,428,404,398.38 : 14,391,470,819.31 = 5,670,958,517.82 : x
2. Step 2: Convert to fraction form
   10,428,404,398.38/14,391,470,819.31 = 5,670,958,517.82/x
3. Step 3: Cross multiply
   10,428,404,398.38x = 14,391,470,819.31 × 5,670,958,517.82
4. Step 4: Simplify right side
   10,428,404,398.38x = 81,613,434,026,724,016,128
5. Step 5: Solve for x
   x = 81,613,434,026,724,016,128/10,428,404,398.38
6. Step 6: Final answer
   x = 7,826,071,075.59