Finding the Fourth Proportional to 8,300.82, 12,453.06 and 2,457.90

Step by Step Solution

1. Step 1: Write the proportion equation
   8,300.82 : 12,453.06 = 2,457.90 : x
2. Step 2: Convert to fraction form
   8,300.82/12,453.06 = 2,457.90/x
3. Step 3: Cross multiply
   8,300.82x = 12,453.06 × 2,457.90
4. Step 4: Simplify right side
   8,300.82x = 30,608,376.17
5. Step 5: Solve for x
   x = 30,608,376.17/8,300.82
6. Step 6: Final answer
   x = 3,687.39