Finding the Fourth Proportional to 2,047.71, 3,067.71 and 1,212.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.71 : 3,067.71 = 1,212.30 : x
2. Step 2: Convert to fraction form
   2,047.71/3,067.71 = 1,212.30/x
3. Step 3: Cross multiply
   2,047.71x = 3,067.71 × 1,212.30
4. Step 4: Simplify right side
   2,047.71x = 3,718,984.83
5. Step 5: Solve for x
   x = 3,718,984.83/2,047.71
6. Step 6: Final answer
   x = 1,816.17