Finding the Fourth Proportional to 10,366.50, 15,556.42 and 10,328.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,366.50 : 15,556.42 = 10,328.24 : x
2. Step 2: Convert to fraction form
   10,366.50/15,556.42 = 10,328.24/x
3. Step 3: Cross multiply
   10,366.50x = 15,556.42 × 10,328.24
4. Step 4: Simplify right side
   10,366.50x = 160,670,439.30
5. Step 5: Solve for x
   x = 160,670,439.30/10,366.50
6. Step 6: Final answer
   x = 15,499.01