Finding the Fourth Proportional to 8,361.81, 12,544.01 and 2,814.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,361.81 : 12,544.01 = 2,814.72 : x
2. Step 2: Convert to fraction form
   8,361.81/12,544.01 = 2,814.72/x
3. Step 3: Cross multiply
   8,361.81x = 12,544.01 × 2,814.72
4. Step 4: Simplify right side
   8,361.81x = 35,307,882.86
5. Step 5: Solve for x
   x = 35,307,882.86/8,361.81
6. Step 6: Final answer
   x = 4,222.52