Finding the Fourth Proportional to 2,227,698.72, 3,074,227.02 and 1,209,103.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227,698.72 : 3,074,227.02 = 1,209,103.74 : x
2. Step 2: Convert to fraction form
   2,227,698.72/3,074,227.02 = 1,209,103.74/x
3. Step 3: Cross multiply
   2,227,698.72x = 3,074,227.02 × 1,209,103.74
4. Step 4: Simplify right side
   2,227,698.72x = 3,717,059,387,491.06
5. Step 5: Solve for x
   x = 3,717,059,387,491.06/2,227,698.72
6. Step 6: Final answer
   x = 1,668,564.67