Finding the Fourth Proportional to 2,914.36, 4,371.46 and 939.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,914.36 : 4,371.46 = 939.98 : x
2. Step 2: Convert to fraction form
   2,914.36/4,371.46 = 939.98/x
3. Step 3: Cross multiply
   2,914.36x = 4,371.46 × 939.98
4. Step 4: Simplify right side
   2,914.36x = 4,109,093.55
5. Step 5: Solve for x
   x = 4,109,093.55/2,914.36
6. Step 6: Final answer
   x = 1,409.95