Finding the Fourth Proportional to 8,256.84, 12,386.88 and 3,063.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,256.84 : 12,386.88 = 3,063.12 : x
2. Step 2: Convert to fraction form
   8,256.84/12,386.88 = 3,063.12/x
3. Step 3: Cross multiply
   8,256.84x = 12,386.88 × 3,063.12
4. Step 4: Simplify right side
   8,256.84x = 37,942,499.87
5. Step 5: Solve for x
   x = 37,942,499.87/8,256.84
6. Step 6: Final answer
   x = 4,595.28