Finding the Fourth Proportional to 1,818.55, 2,726.88 and 843.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,818.55 : 2,726.88 = 843.82 : x
2. Step 2: Convert to fraction form
   1,818.55/2,726.88 = 843.82/x
3. Step 3: Cross multiply
   1,818.55x = 2,726.88 × 843.82
4. Step 4: Simplify right side
   1,818.55x = 2,300,995.88
5. Step 5: Solve for x
   x = 2,300,995.88/1,818.55
6. Step 6: Final answer
   x = 1,265.29