Finding the Fourth Proportional to 2,881,016,956.69, 3,974,585,968.96 and 1,928,704,515.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,881,016,956.69 : 3,974,585,968.96 = 1,928,704,515.22 : x
2. Step 2: Convert to fraction form
   2,881,016,956.69/3,974,585,968.96 = 1,928,704,515.22/x
3. Step 3: Cross multiply
   2,881,016,956.69x = 3,974,585,968.96 × 1,928,704,515.22
4. Step 4: Simplify right side
   2,881,016,956.69x = 7,665,801,904,463,555,584
5. Step 5: Solve for x
   x = 7,665,801,904,463,555,584/2,881,016,956.69
6. Step 6: Final answer
   x = 2,660,797,218.38