Finding the Fourth Proportional to 2,227,735.30, 3,074,192.47 and 1,209,118.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227,735.30 : 3,074,192.47 = 1,209,118.18 : x
2. Step 2: Convert to fraction form
   2,227,735.30/3,074,192.47 = 1,209,118.18/x
3. Step 3: Cross multiply
   2,227,735.30x = 3,074,192.47 × 1,209,118.18
4. Step 4: Simplify right side
   2,227,735.30x = 3,717,062,004,296.10
5. Step 5: Solve for x
   x = 3,717,062,004,296.10/2,227,735.30
6. Step 6: Final answer
   x = 1,668,538.45