Finding the Fourth Proportional to 3,654.72, 5,477.76 and 2,192.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,654.72 : 5,477.76 = 2,192.94 : x
2. Step 2: Convert to fraction form
   3,654.72/5,477.76 = 2,192.94/x
3. Step 3: Cross multiply
   3,654.72x = 5,477.76 × 2,192.94
4. Step 4: Simplify right side
   3,654.72x = 12,012,399.01
5. Step 5: Solve for x
   x = 12,012,399.01/3,654.72
6. Step 6: Final answer
   x = 3,286.82