Finding the Fourth Proportional to 1,439.03, 1,986.59 and 942.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,439.03 : 1,986.59 = 942.44 : x
2. Step 2: Convert to fraction form
   1,439.03/1,986.59 = 942.44/x
3. Step 3: Cross multiply
   1,439.03x = 1,986.59 × 942.44
4. Step 4: Simplify right side
   1,439.03x = 1,872,234.30
5. Step 5: Solve for x
   x = 1,872,234.30/1,439.03
6. Step 6: Final answer
   x = 1,301.04