Finding the Fourth Proportional to 10,428,404,399.38, 14,391,470,820.69 and 5,670,958,518.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,428,404,399.38 : 14,391,470,820.69 = 5,670,958,518.82 : x
2. Step 2: Convert to fraction form
   10,428,404,399.38/14,391,470,820.69 = 5,670,958,518.82/x
3. Step 3: Cross multiply
   10,428,404,399.38x = 14,391,470,820.69 × 5,670,958,518.82
4. Step 4: Simplify right side
   10,428,404,399.38x = 81,613,434,048,941,408,256
5. Step 5: Solve for x
   x = 81,613,434,048,941,408,256/10,428,404,399.38
6. Step 6: Final answer
   x = 7,826,071,076.97