Finding the Fourth Proportional to 8,301.72, 12,453.78 and 2,457.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,301.72 : 12,453.78 = 2,457.56 : x
2. Step 2: Convert to fraction form
   8,301.72/12,453.78 = 2,457.56/x
3. Step 3: Cross multiply
   8,301.72x = 12,453.78 × 2,457.56
4. Step 4: Simplify right side
   8,301.72x = 30,605,911.58
5. Step 5: Solve for x
   x = 30,605,911.58/8,301.72
6. Step 6: Final answer
   x = 3,686.70