Finding the Fourth Proportional to 2,505,891,174.39, 3,756,499,997.60 and 846,638,078

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505,891,174.39 : 3,756,499,997.60 = 846,638,078 : x
2. Step 2: Convert to fraction form
   2,505,891,174.39/3,756,499,997.60 = 846,638,078/x
3. Step 3: Cross multiply
   2,505,891,174.39x = 3,756,499,997.60 × 846,638,078
4. Step 4: Simplify right side
   2,505,891,174.39x = 3,180,395,937,975,068,672
5. Step 5: Solve for x
   x = 3,180,395,937,975,068,672/2,505,891,174.39
6. Step 6: Final answer
   x = 1,269,167,620.08