Finding the Fourth Proportional to 3,768.95, 5,200.65 and 2,090.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,768.95 : 5,200.65 = 2,090.27 : x
2. Step 2: Convert to fraction form
   3,768.95/5,200.65 = 2,090.27/x
3. Step 3: Cross multiply
   3,768.95x = 5,200.65 × 2,090.27
4. Step 4: Simplify right side
   3,768.95x = 10,870,762.68
5. Step 5: Solve for x
   x = 10,870,762.68/3,768.95
6. Step 6: Final answer
   x = 2,884.29