Finding the Fourth Proportional to 1,441.01, 1,986.89 and 943.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441.01 : 1,986.89 = 943.49 : x
2. Step 2: Convert to fraction form
   1,441.01/1,986.89 = 943.49/x
3. Step 3: Cross multiply
   1,441.01x = 1,986.89 × 943.49
4. Step 4: Simplify right side
   1,441.01x = 1,874,596.19
5. Step 5: Solve for x
   x = 1,874,596.19/1,441.01
6. Step 6: Final answer
   x = 1,300.89