Finding the Fourth Proportional to 2,140,066.22, 3,209,166.12 and 809,437.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140,066.22 : 3,209,166.12 = 809,437.10 : x
2. Step 2: Convert to fraction form
   2,140,066.22/3,209,166.12 = 809,437.10/x
3. Step 3: Cross multiply
   2,140,066.22x = 3,209,166.12 × 809,437.10
4. Step 4: Simplify right side
   2,140,066.22x = 2,597,618,117,591.05
5. Step 5: Solve for x
   x = 2,597,618,117,591.05/2,140,066.22
6. Step 6: Final answer
   x = 1,213,802.68