Finding the Fourth Proportional to 3,768.59, 5,200.72 and 2,090.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,768.59 : 5,200.72 = 2,090.07 : x
2. Step 2: Convert to fraction form
   3,768.59/5,200.72 = 2,090.07/x
3. Step 3: Cross multiply
   3,768.59x = 5,200.72 × 2,090.07
4. Step 4: Simplify right side
   3,768.59x = 10,869,868.85
5. Step 5: Solve for x
   x = 10,869,868.85/3,768.59
6. Step 6: Final answer
   x = 2,884.33