Finding the Fourth Proportional to 3,606.16, 5,398.28 and 2,308.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,606.16 : 5,398.28 = 2,308.54 : x
2. Step 2: Convert to fraction form
   3,606.16/5,398.28 = 2,308.54/x
3. Step 3: Cross multiply
   3,606.16x = 5,398.28 × 2,308.54
4. Step 4: Simplify right side
   3,606.16x = 12,462,145.31
5. Step 5: Solve for x
   x = 12,462,145.31/3,606.16
6. Step 6: Final answer
   x = 3,455.79