Finding the Fourth Proportional to 1,404.06, 1,938.08 and 963.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.06 : 1,938.08 = 963.42 : x
2. Step 2: Convert to fraction form
   1,404.06/1,938.08 = 963.42/x
3. Step 3: Cross multiply
   1,404.06x = 1,938.08 × 963.42
4. Step 4: Simplify right side
   1,404.06x = 1,867,185.03
5. Step 5: Solve for x
   x = 1,867,185.03/1,404.06
6. Step 6: Final answer
   x = 1,329.85