Finding the Fourth Proportional to 3,654.72, 5,043.48 and 1,976.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,654.72 : 5,043.48 = 1,976.12 : x
2. Step 2: Convert to fraction form
   3,654.72/5,043.48 = 1,976.12/x
3. Step 3: Cross multiply
   3,654.72x = 5,043.48 × 1,976.12
4. Step 4: Simplify right side
   3,654.72x = 9,966,501.42
5. Step 5: Solve for x
   x = 9,966,501.42/3,654.72
6. Step 6: Final answer
   x = 2,727.02