Finding the Fourth Proportional to 1,025,460,800.82, 1,536,341,783.31 and 631,301,639.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,025,460,800.82 : 1,536,341,783.31 = 631,301,639.94 : x
2. Step 2: Convert to fraction form
   1,025,460,800.82/1,536,341,783.31 = 631,301,639.94/x
3. Step 3: Cross multiply
   1,025,460,800.82x = 1,536,341,783.31 × 631,301,639.94
4. Step 4: Simplify right side
   1,025,460,800.82x = 969,895,087,311,947,136
5. Step 5: Solve for x
   x = 969,895,087,311,947,136/1,025,460,800.82
6. Step 6: Final answer
   x = 945,813,907.79