Finding the Fourth Proportional to 2,204.64, 3,308.56 and 1,776.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,204.64 : 3,308.56 = 1,776.96 : x
2. Step 2: Convert to fraction form
   2,204.64/3,308.56 = 1,776.96/x
3. Step 3: Cross multiply
   2,204.64x = 3,308.56 × 1,776.96
4. Step 4: Simplify right side
   2,204.64x = 5,879,178.78
5. Step 5: Solve for x
   x = 5,879,178.78/2,204.64
6. Step 6: Final answer
   x = 2,666.73