Finding the Fourth Proportional to 10,644.72, 15,967.20 and 3,251.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,644.72 : 15,967.20 = 3,251.04 : x
2. Step 2: Convert to fraction form
   10,644.72/15,967.20 = 3,251.04/x
3. Step 3: Cross multiply
   10,644.72x = 15,967.20 × 3,251.04
4. Step 4: Simplify right side
   10,644.72x = 51,910,005.89
5. Step 5: Solve for x
   x = 51,910,005.89/10,644.72
6. Step 6: Final answer
   x = 4,876.60