Finding the Fourth Proportional to 3,654.40, 5,043.20 and 2,082.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,654.40 : 5,043.20 = 2,082.24 : x
2. Step 2: Convert to fraction form
   3,654.40/5,043.20 = 2,082.24/x
3. Step 3: Cross multiply
   3,654.40x = 5,043.20 × 2,082.24
4. Step 4: Simplify right side
   3,654.40x = 10,501,152.77
5. Step 5: Solve for x
   x = 10,501,152.77/3,654.40
6. Step 6: Final answer
   x = 2,873.56