Finding the Fourth Proportional to 3,679.41, 5,075.33 and 2,186.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,679.41 : 5,075.33 = 2,186.31 : x
2. Step 2: Convert to fraction form
   3,679.41/5,075.33 = 2,186.31/x
3. Step 3: Cross multiply
   3,679.41x = 5,075.33 × 2,186.31
4. Step 4: Simplify right side
   3,679.41x = 11,096,233.80
5. Step 5: Solve for x
   x = 11,096,233.80/3,679.41
6. Step 6: Final answer
   x = 3,015.76