Finding the Fourth Proportional to 2,665.41, 3,994.88 and 1,349.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.41 : 3,994.88 = 1,349.16 : x
2. Step 2: Convert to fraction form
   2,665.41/3,994.88 = 1,349.16/x
3. Step 3: Cross multiply
   2,665.41x = 3,994.88 × 1,349.16
4. Step 4: Simplify right side
   2,665.41x = 5,389,725.56
5. Step 5: Solve for x
   x = 5,389,725.56/2,665.41
6. Step 6: Final answer
   x = 2,022.10