Finding the Fourth Proportional to 2,377.84, 3,564.76 and 1,078.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.84 : 3,564.76 = 1,078.96 : x
2. Step 2: Convert to fraction form
   2,377.84/3,564.76 = 1,078.96/x
3. Step 3: Cross multiply
   2,377.84x = 3,564.76 × 1,078.96
4. Step 4: Simplify right side
   2,377.84x = 3,846,233.45
5. Step 5: Solve for x
   x = 3,846,233.45/2,377.84
6. Step 6: Final answer
   x = 1,617.53