Finding the Fourth Proportional to 8,308.80, 12,462.93 and 3,377.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,308.80 : 12,462.93 = 3,377.12 : x
2. Step 2: Convert to fraction form
   8,308.80/12,462.93 = 3,377.12/x
3. Step 3: Cross multiply
   8,308.80x = 12,462.93 × 3,377.12
4. Step 4: Simplify right side
   8,308.80x = 42,088,747.85
5. Step 5: Solve for x
   x = 42,088,747.85/8,308.80
6. Step 6: Final answer
   x = 5,065.56