Finding the Fourth Proportional to 1,257,544.05, 1,736,563.69 and 798,806.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,257,544.05 : 1,736,563.69 = 798,806.42 : x
2. Step 2: Convert to fraction form
   1,257,544.05/1,736,563.69 = 798,806.42/x
3. Step 3: Cross multiply
   1,257,544.05x = 1,736,563.69 × 798,806.42
4. Step 4: Simplify right side
   1,257,544.05x = 1,387,178,224,310.89
5. Step 5: Solve for x
   x = 1,387,178,224,310.89/1,257,544.05
6. Step 6: Final answer
   x = 1,103,085.20