Finding the Fourth Proportional to 2,079,664,628.79, 2,870,006,593.86 and 1,139,869,678.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079,664,628.79 : 2,870,006,593.86 = 1,139,869,678.80 : x
2. Step 2: Convert to fraction form
   2,079,664,628.79/2,870,006,593.86 = 1,139,869,678.80/x
3. Step 3: Cross multiply
   2,079,664,628.79x = 2,870,006,593.86 × 1,139,869,678.80
4. Step 4: Simplify right side
   2,079,664,628.79x = 3,271,433,494,297,080,320
5. Step 5: Solve for x
   x = 3,271,433,494,297,080,320/2,079,664,628.79
6. Step 6: Final answer
   x = 1,573,058,198.43