Finding the Fourth Proportional to 2,161,844,248.72, 2,983,349,459.30 and 1,171,770,336.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,161,844,248.72 : 2,983,349,459.30 = 1,171,770,336.40 : x
2. Step 2: Convert to fraction form
   2,161,844,248.72/2,983,349,459.30 = 1,171,770,336.40/x
3. Step 3: Cross multiply
   2,161,844,248.72x = 2,983,349,459.30 × 1,171,770,336.40
4. Step 4: Simplify right side
   2,161,844,248.72x = 3,495,800,399,522,719,744
5. Step 5: Solve for x
   x = 3,495,800,399,522,719,744/2,161,844,248.72
6. Step 6: Final answer
   x = 1,617,045,447.00