Finding the Fourth Proportional to 4,089.72, 5,644.34 and 2,321.96

Step by Step Solution

1. Step 1: Write the proportion equation
   4,089.72 : 5,644.34 = 2,321.96 : x
2. Step 2: Convert to fraction form
   4,089.72/5,644.34 = 2,321.96/x
3. Step 3: Cross multiply
   4,089.72x = 5,644.34 × 2,321.96
4. Step 4: Simplify right side
   4,089.72x = 13,105,931.71
5. Step 5: Solve for x
   x = 13,105,931.71/4,089.72
6. Step 6: Final answer
   x = 3,204.60