Finding the Fourth Proportional to 10,867.42, 16,299.78 and 3,076.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,867.42 : 16,299.78 = 3,076.84 : x
2. Step 2: Convert to fraction form
   10,867.42/16,299.78 = 3,076.84/x
3. Step 3: Cross multiply
   10,867.42x = 16,299.78 × 3,076.84
4. Step 4: Simplify right side
   10,867.42x = 50,151,815.10
5. Step 5: Solve for x
   x = 50,151,815.10/10,867.42
6. Step 6: Final answer
   x = 4,614.88