Finding the Fourth Proportional to 2,505,891,173.39, 3,756,499,996.10 and 846,638,077.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505,891,173.39 : 3,756,499,996.10 = 846,638,077.00 : x
2. Step 2: Convert to fraction form
   2,505,891,173.39/3,756,499,996.10 = 846,638,077.00/x
3. Step 3: Cross multiply
   2,505,891,173.39x = 3,756,499,996.10 × 846,638,077.00
4. Step 4: Simplify right side
   2,505,891,173.39x = 3,180,395,932,941,336,576
5. Step 5: Solve for x
   x = 3,180,395,932,941,336,576/2,505,891,173.39
6. Step 6: Final answer
   x = 1,269,167,618.58