Finding the Fourth Proportional to 2,227,761.99, 3,074,229.30 and 1,209,144.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227,761.99 : 3,074,229.30 = 1,209,144.87 : x
2. Step 2: Convert to fraction form
   2,227,761.99/3,074,229.30 = 1,209,144.87/x
3. Step 3: Cross multiply
   2,227,761.99x = 3,074,229.30 × 1,209,144.87
4. Step 4: Simplify right side
   2,227,761.99x = 3,717,188,587,298.69
5. Step 5: Solve for x
   x = 3,717,188,587,298.69/2,227,761.99
6. Step 6: Final answer
   x = 1,668,575.28