Finding the Fourth Proportional to 2,066.40, 3,082.50 and 1,823.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.40 : 3,082.50 = 1,823.40 : x
2. Step 2: Convert to fraction form
   2,066.40/3,082.50 = 1,823.40/x
3. Step 3: Cross multiply
   2,066.40x = 3,082.50 × 1,823.40
4. Step 4: Simplify right side
   2,066.40x = 5,620,630.50
5. Step 5: Solve for x
   x = 5,620,630.50/2,066.40
6. Step 6: Final answer
   x = 2,720.01