Finding the Fourth Proportional to 3,074,936,540.72, 4,243,391,296.56 and 1,665,208,243.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,074,936,540.72 : 4,243,391,296.56 = 1,665,208,243.56 : x
2. Step 2: Convert to fraction form
   3,074,936,540.72/4,243,391,296.56 = 1,665,208,243.56/x
3. Step 3: Cross multiply
   3,074,936,540.72x = 4,243,391,296.56 × 1,665,208,243.56
4. Step 4: Simplify right side
   3,074,936,540.72x = 7,066,130,167,682,467,840
5. Step 5: Solve for x
   x = 7,066,130,167,682,467,840/3,074,936,540.72
6. Step 6: Final answer
   x = 2,297,975,933.52