Finding the Fourth Proportional to 10,152.56, 15,227.76 and 2,757.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,152.56 : 15,227.76 = 2,757.72 : x
2. Step 2: Convert to fraction form
   10,152.56/15,227.76 = 2,757.72/x
3. Step 3: Cross multiply
   10,152.56x = 15,227.76 × 2,757.72
4. Step 4: Simplify right side
   10,152.56x = 41,993,898.31
5. Step 5: Solve for x
   x = 41,993,898.31/10,152.56
6. Step 6: Final answer
   x = 4,136.29