Finding the Fourth Proportional to 2,082.41, 3,124.16 and 986.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.41 : 3,124.16 = 986.75 : x
2. Step 2: Convert to fraction form
   2,082.41/3,124.16 = 986.75/x
3. Step 3: Cross multiply
   2,082.41x = 3,124.16 × 986.75
4. Step 4: Simplify right side
   2,082.41x = 3,082,764.88
5. Step 5: Solve for x
   x = 3,082,764.88/2,082.41
6. Step 6: Final answer
   x = 1,480.38