Finding the Fourth Proportional to 3,627,168.10, 5,436,086.55 and 2,205,715.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,627,168.10 : 5,436,086.55 = 2,205,715.30 : x
2. Step 2: Convert to fraction form
   3,627,168.10/5,436,086.55 = 2,205,715.30/x
3. Step 3: Cross multiply
   3,627,168.10x = 5,436,086.55 × 2,205,715.30
4. Step 4: Simplify right side
   3,627,168.10x = 11,990,459,275,459.21
5. Step 5: Solve for x
   x = 11,990,459,275,459.21/3,627,168.10
6. Step 6: Final answer
   x = 3,305,735.75