Finding the Fourth Proportional to 2,939.34, 4,408.18 and 1,274.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,939.34 : 4,408.18 = 1,274.02 : x
2. Step 2: Convert to fraction form
   2,939.34/4,408.18 = 1,274.02/x
3. Step 3: Cross multiply
   2,939.34x = 4,408.18 × 1,274.02
4. Step 4: Simplify right side
   2,939.34x = 5,616,109.48
5. Step 5: Solve for x
   x = 5,616,109.48/2,939.34
6. Step 6: Final answer
   x = 1,910.67