Finding the Fourth Proportional to 3,648.34, 5,035.55 and 2,321.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.34 : 5,035.55 = 2,321.78 : x
2. Step 2: Convert to fraction form
   3,648.34/5,035.55 = 2,321.78/x
3. Step 3: Cross multiply
   3,648.34x = 5,035.55 × 2,321.78
4. Step 4: Simplify right side
   3,648.34x = 11,691,443.88
5. Step 5: Solve for x
   x = 11,691,443.88/3,648.34
6. Step 6: Final answer
   x = 3,204.59