Finding the Fourth Proportional to 1,818.86, 2,729.27 and 723.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,818.86 : 2,729.27 = 723.23 : x
2. Step 2: Convert to fraction form
   1,818.86/2,729.27 = 723.23/x
3. Step 3: Cross multiply
   1,818.86x = 2,729.27 × 723.23
4. Step 4: Simplify right side
   1,818.86x = 1,973,893.15
5. Step 5: Solve for x
   x = 1,973,893.15/1,818.86
6. Step 6: Final answer
   x = 1,085.24