Finding the Fourth Proportional to 2,089,986,463.90, 3,135,274,189.71 and 671,407,922.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089,986,463.90 : 3,135,274,189.71 = 671,407,922.10 : x
2. Step 2: Convert to fraction form
   2,089,986,463.90/3,135,274,189.71 = 671,407,922.10/x
3. Step 3: Cross multiply
   2,089,986,463.90x = 3,135,274,189.71 × 671,407,922.10
4. Step 4: Simplify right side
   2,089,986,463.90x = 2,105,047,928,907,918,848
5. Step 5: Solve for x
   x = 2,105,047,928,907,918,848/2,089,986,463.90
6. Step 6: Final answer
   x = 1,007,206,489.26