Finding the Fourth Proportional to 2,227,726.72, 3,074,266.38 and 1,209,131.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227,726.72 : 3,074,266.38 = 1,209,131.92 : x
2. Step 2: Convert to fraction form
   2,227,726.72/3,074,266.38 = 1,209,131.92/x
3. Step 3: Cross multiply
   2,227,726.72x = 3,074,266.38 × 1,209,131.92
4. Step 4: Simplify right side
   2,227,726.72x = 3,717,193,610,640.85
5. Step 5: Solve for x
   x = 3,717,193,610,640.85/2,227,726.72
6. Step 6: Final answer
   x = 1,668,603.95