Finding the Fourth Proportional to 2,505,891,174.96, 3,756,499,998.48 and 846,638,078.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505,891,174.96 : 3,756,499,998.48 = 846,638,078.58 : x
2. Step 2: Convert to fraction form
   2,505,891,174.96/3,756,499,998.48 = 846,638,078.58/x
3. Step 3: Cross multiply
   2,505,891,174.96x = 3,756,499,998.48 × 846,638,078.58
4. Step 4: Simplify right side
   2,505,891,174.96x = 3,180,395,940,898,880,512
5. Step 5: Solve for x
   x = 3,180,395,940,898,880,512/2,505,891,174.96
6. Step 6: Final answer
   x = 1,269,167,620.96