Finding the Fourth Proportional to 3,581.42, 4,942.42 and 2,090.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,581.42 : 4,942.42 = 2,090.41 : x
2. Step 2: Convert to fraction form
   3,581.42/4,942.42 = 2,090.41/x
3. Step 3: Cross multiply
   3,581.42x = 4,942.42 × 2,090.41
4. Step 4: Simplify right side
   3,581.42x = 10,331,666.61
5. Step 5: Solve for x
   x = 10,331,666.61/3,581.42
6. Step 6: Final answer
   x = 2,884.80