Finding the Fourth Proportional to 2,940.09, 4,056.37 and 2,659.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,940.09 : 4,056.37 = 2,659.42 : x
2. Step 2: Convert to fraction form
   2,940.09/4,056.37 = 2,659.42/x
3. Step 3: Cross multiply
   2,940.09x = 4,056.37 × 2,659.42
4. Step 4: Simplify right side
   2,940.09x = 10,787,591.51
5. Step 5: Solve for x
   x = 10,787,591.51/2,940.09
6. Step 6: Final answer
   x = 3,669.14