Finding the Fourth Proportional to 1,438.67, 1,986.18 and 941.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438.67 : 1,986.18 = 941.82 : x
2. Step 2: Convert to fraction form
   1,438.67/1,986.18 = 941.82/x
3. Step 3: Cross multiply
   1,438.67x = 1,986.18 × 941.82
4. Step 4: Simplify right side
   1,438.67x = 1,870,613.07
5. Step 5: Solve for x
   x = 1,870,613.07/1,438.67
6. Step 6: Final answer
   x = 1,300.24