Finding the Fourth Proportional to 1,143,651.42, 1,716,036.03 and 808,843.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,143,651.42 : 1,716,036.03 = 808,843.59 : x
2. Step 2: Convert to fraction form
   1,143,651.42/1,716,036.03 = 808,843.59/x
3. Step 3: Cross multiply
   1,143,651.42x = 1,716,036.03 × 808,843.59
4. Step 4: Simplify right side
   1,143,651.42x = 1,388,004,743,074.55
5. Step 5: Solve for x
   x = 1,388,004,743,074.55/1,143,651.42
6. Step 6: Final answer
   x = 1,213,660.67