Finding the Fourth Proportional to 10,076.16, 15,121.12 and 3,502.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,076.16 : 15,121.12 = 3,502.28 : x
2. Step 2: Convert to fraction form
   10,076.16/15,121.12 = 3,502.28/x
3. Step 3: Cross multiply
   10,076.16x = 15,121.12 × 3,502.28
4. Step 4: Simplify right side
   10,076.16x = 52,958,396.15
5. Step 5: Solve for x
   x = 52,958,396.15/10,076.16
6. Step 6: Final answer
   x = 5,255.81