Finding the Fourth Proportional to 8,256.31, 12,363.31 and 4,554.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,256.31 : 12,363.31 = 4,554.42 : x
2. Step 2: Convert to fraction form
   8,256.31/12,363.31 = 4,554.42/x
3. Step 3: Cross multiply
   8,256.31x = 12,363.31 × 4,554.42
4. Step 4: Simplify right side
   8,256.31x = 56,307,706.33
5. Step 5: Solve for x
   x = 56,307,706.33/8,256.31
6. Step 6: Final answer
   x = 6,819.96