Finding the Fourth Proportional to 1,443.87, 2,166.41 and 794.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.87 : 2,166.41 = 794.55 : x
2. Step 2: Convert to fraction form
   1,443.87/2,166.41 = 794.55/x
3. Step 3: Cross multiply
   1,443.87x = 2,166.41 × 794.55
4. Step 4: Simplify right side
   1,443.87x = 1,721,317.09
5. Step 5: Solve for x
   x = 1,721,317.09/1,443.87
6. Step 6: Final answer
   x = 1,192.16