Finding the Fourth Proportional to 10,216.32, 15,327.78 and 5,018.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,216.32 : 15,327.78 = 5,018.55 : x
2. Step 2: Convert to fraction form
   10,216.32/15,327.78 = 5,018.55/x
3. Step 3: Cross multiply
   10,216.32x = 15,327.78 × 5,018.55
4. Step 4: Simplify right side
   10,216.32x = 76,923,230.32
5. Step 5: Solve for x
   x = 76,923,230.32/10,216.32
6. Step 6: Final answer
   x = 7,529.45