Finding the Fourth Proportional to 1,439.39, 1,985.73 and 941.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,439.39 : 1,985.73 = 941.16 : x
2. Step 2: Convert to fraction form
   1,439.39/1,985.73 = 941.16/x
3. Step 3: Cross multiply
   1,439.39x = 1,985.73 × 941.16
4. Step 4: Simplify right side
   1,439.39x = 1,868,879.72
5. Step 5: Solve for x
   x = 1,868,879.72/1,439.39
6. Step 6: Final answer
   x = 1,298.39