Finding the Fourth Proportional to 1,419.82, 1,960.59 and 955.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419.82 : 1,960.59 = 955.42 : x
2. Step 2: Convert to fraction form
   1,419.82/1,960.59 = 955.42/x
3. Step 3: Cross multiply
   1,419.82x = 1,960.59 × 955.42
4. Step 4: Simplify right side
   1,419.82x = 1,873,186.90
5. Step 5: Solve for x
   x = 1,873,186.90/1,419.82
6. Step 6: Final answer
   x = 1,319.31