Finding the Fourth Proportional to 10,151.55, 15,228.84 and 3,576.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,151.55 : 15,228.84 = 3,576.57 : x
2. Step 2: Convert to fraction form
   10,151.55/15,228.84 = 3,576.57/x
3. Step 3: Cross multiply
   10,151.55x = 15,228.84 × 3,576.57
4. Step 4: Simplify right side
   10,151.55x = 54,467,012.28
5. Step 5: Solve for x
   x = 54,467,012.28/10,151.55
6. Step 6: Final answer
   x = 5,365.39