Finding the Fourth Proportional to 1,194.18, 1,646.73 and 774.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,194.18 : 1,646.73 = 774.06 : x
2. Step 2: Convert to fraction form
   1,194.18/1,646.73 = 774.06/x
3. Step 3: Cross multiply
   1,194.18x = 1,646.73 × 774.06
4. Step 4: Simplify right side
   1,194.18x = 1,274,667.82
5. Step 5: Solve for x
   x = 1,274,667.82/1,194.18
6. Step 6: Final answer
   x = 1,067.40