Finding the Fourth Proportional to 10,172.72, 15,256.20 and 3,596.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,172.72 : 15,256.20 = 3,596.96 : x
2. Step 2: Convert to fraction form
   10,172.72/15,256.20 = 3,596.96/x
3. Step 3: Cross multiply
   10,172.72x = 15,256.20 × 3,596.96
4. Step 4: Simplify right side
   10,172.72x = 54,875,941.15
5. Step 5: Solve for x
   x = 54,875,941.15/10,172.72
6. Step 6: Final answer
   x = 5,394.42