Finding the Fourth Proportional to 3,768.18, 5,200.41 and 2,090.11

Step by Step Solution

1. Step 1: Write the proportion equation
   3,768.18 : 5,200.41 = 2,090.11 : x
2. Step 2: Convert to fraction form
   3,768.18/5,200.41 = 2,090.11/x
3. Step 3: Cross multiply
   3,768.18x = 5,200.41 × 2,090.11
4. Step 4: Simplify right side
   3,768.18x = 10,869,428.95
5. Step 5: Solve for x
   x = 10,869,428.95/3,768.18
6. Step 6: Final answer
   x = 2,884.53