Finding the Fourth Proportional to 3,654.54, 5,043.15 and 2,142.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,654.54 : 5,043.15 = 2,142.38 : x
2. Step 2: Convert to fraction form
   3,654.54/5,043.15 = 2,142.38/x
3. Step 3: Cross multiply
   3,654.54x = 5,043.15 × 2,142.38
4. Step 4: Simplify right side
   3,654.54x = 10,804,343.70
5. Step 5: Solve for x
   x = 10,804,343.70/3,654.54
6. Step 6: Final answer
   x = 2,956.42