Finding the Fourth Proportional to 2,150,417,039.10, 3,223,358,077.05 and 839,812,674.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150,417,039.10 : 3,223,358,077.05 = 839,812,674.30 : x
2. Step 2: Convert to fraction form
   2,150,417,039.10/3,223,358,077.05 = 839,812,674.30/x
3. Step 3: Cross multiply
   2,150,417,039.10x = 3,223,358,077.05 × 839,812,674.30
4. Step 4: Simplify right side
   2,150,417,039.10x = 2,707,016,966,913,865,728
5. Step 5: Solve for x
   x = 2,707,016,966,913,865,728/2,150,417,039.10
6. Step 6: Final answer
   x = 1,258,833,480.99