Finding the Fourth Proportional to 3,769.89, 5,202.31 and 2,091.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,769.89 : 5,202.31 = 2,091.37 : x
2. Step 2: Convert to fraction form
   3,769.89/5,202.31 = 2,091.37/x
3. Step 3: Cross multiply
   3,769.89x = 5,202.31 × 2,091.37
4. Step 4: Simplify right side
   3,769.89x = 10,879,918.60
5. Step 5: Solve for x
   x = 10,879,918.60/3,769.89
6. Step 6: Final answer
   x = 2,886.01