Finding the Fourth Proportional to 2,227,760.49, 3,074,227.25 and 1,209,143.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227,760.49 : 3,074,227.25 = 1,209,143.37 : x
2. Step 2: Convert to fraction form
   2,227,760.49/3,074,227.25 = 1,209,143.37/x
3. Step 3: Cross multiply
   2,227,760.49x = 3,074,227.25 × 1,209,143.37
4. Step 4: Simplify right side
   2,227,760.49x = 3,717,181,491,165.12
5. Step 5: Solve for x
   x = 3,717,181,491,165.12/2,227,760.49
6. Step 6: Final answer
   x = 1,668,573.22