Finding the Fourth Proportional to 8,453.34, 12,680.01 and 3,258

Step by Step Solution

1. Step 1: Write the proportion equation
   8,453.34 : 12,680.01 = 3,258 : x
2. Step 2: Convert to fraction form
   8,453.34/12,680.01 = 3,258/x
3. Step 3: Cross multiply
   8,453.34x = 12,680.01 × 3,258
4. Step 4: Simplify right side
   8,453.34x = 41,311,472.58
5. Step 5: Solve for x
   x = 41,311,472.58/8,453.34
6. Step 6: Final answer
   x = 4,887