Finding the Fourth Proportional to 1,025,460,804.82, 1,536,341,789.30 and 631,301,643.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,025,460,804.82 : 1,536,341,789.30 = 631,301,643.94 : x
2. Step 2: Convert to fraction form
   1,025,460,804.82/1,536,341,789.30 = 631,301,643.94/x
3. Step 3: Cross multiply
   1,025,460,804.82x = 1,536,341,789.30 × 631,301,643.94
4. Step 4: Simplify right side
   1,025,460,804.82x = 969,895,097,238,811,136
5. Step 5: Solve for x
   x = 969,895,097,238,811,136/1,025,460,804.82
6. Step 6: Final answer
   x = 945,813,913.78