Finding the Fourth Proportional to 2,054.95, 3,082.12 and 668.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.95 : 3,082.12 = 668.41 : x
2. Step 2: Convert to fraction form
   2,054.95/3,082.12 = 668.41/x
3. Step 3: Cross multiply
   2,054.95x = 3,082.12 × 668.41
4. Step 4: Simplify right side
   2,054.95x = 2,060,119.83
5. Step 5: Solve for x
   x = 2,060,119.83/2,054.95
6. Step 6: Final answer
   x = 1,002.52