Finding the Fourth Proportional to 1,814.46, 2,722.71 and 774.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,814.46 : 2,722.71 = 774.36 : x
2. Step 2: Convert to fraction form
   1,814.46/2,722.71 = 774.36/x
3. Step 3: Cross multiply
   1,814.46x = 2,722.71 × 774.36
4. Step 4: Simplify right side
   1,814.46x = 2,108,364.52
5. Step 5: Solve for x
   x = 2,108,364.52/1,814.46
6. Step 6: Final answer
   x = 1,161.98