Finding the Fourth Proportional to 3,677.37, 5,075.20 and 2,185.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,677.37 : 5,075.20 = 2,185.30 : x
2. Step 2: Convert to fraction form
   3,677.37/5,075.20 = 2,185.30/x
3. Step 3: Cross multiply
   3,677.37x = 5,075.20 × 2,185.30
4. Step 4: Simplify right side
   3,677.37x = 11,090,834.56
5. Step 5: Solve for x
   x = 11,090,834.56/3,677.37
6. Step 6: Final answer
   x = 3,015.97