Finding the Fourth Proportional to 3,654.24, 5,475.89 and 3,380.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,654.24 : 5,475.89 = 3,380.87 : x
2. Step 2: Convert to fraction form
   3,654.24/5,475.89 = 3,380.87/x
3. Step 3: Cross multiply
   3,654.24x = 5,475.89 × 3,380.87
4. Step 4: Simplify right side
   3,654.24x = 18,513,227.94
5. Step 5: Solve for x
   x = 18,513,227.94/3,654.24
6. Step 6: Final answer
   x = 5,066.23