Finding the Fourth Proportional to 10,184.39, 15,256.87 and 5,728.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,184.39 : 15,256.87 = 5,728.52 : x
2. Step 2: Convert to fraction form
   10,184.39/15,256.87 = 5,728.52/x
3. Step 3: Cross multiply
   10,184.39x = 15,256.87 × 5,728.52
4. Step 4: Simplify right side
   10,184.39x = 87,399,215.81
5. Step 5: Solve for x
   x = 87,399,215.81/10,184.39
6. Step 6: Final answer
   x = 8,581.69