Finding the Fourth Proportional to 8,313.55, 12,459.56 and 3,377.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,313.55 : 12,459.56 = 3,377.46 : x
2. Step 2: Convert to fraction form
   8,313.55/12,459.56 = 3,377.46/x
3. Step 3: Cross multiply
   8,313.55x = 12,459.56 × 3,377.46
4. Step 4: Simplify right side
   8,313.55x = 42,081,665.52
5. Step 5: Solve for x
   x = 42,081,665.52/8,313.55
6. Step 6: Final answer
   x = 5,061.82