Finding the Fourth Proportional to 8,308.55, 12,462.48 and 3,378.00

Step by Step Solution

1. Step 1: Write the proportion equation
   8,308.55 : 12,462.48 = 3,378.00 : x
2. Step 2: Convert to fraction form
   8,308.55/12,462.48 = 3,378.00/x
3. Step 3: Cross multiply
   8,308.55x = 12,462.48 × 3,378.00
4. Step 4: Simplify right side
   8,308.55x = 42,098,313.67
5. Step 5: Solve for x
   x = 42,098,313.67/8,308.55
6. Step 6: Final answer
   x = 5,066.87