Finding the Fourth Proportional to 2,671.34, 4,008.83 and 939.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,671.34 : 4,008.83 = 939.96 : x
2. Step 2: Convert to fraction form
   2,671.34/4,008.83 = 939.96/x
3. Step 3: Cross multiply
   2,671.34x = 4,008.83 × 939.96
4. Step 4: Simplify right side
   2,671.34x = 3,768,135.15
5. Step 5: Solve for x
   x = 3,768,135.15/2,671.34
6. Step 6: Final answer
   x = 1,410.58