Finding the Fourth Proportional to 8,300.42, 12,448.66 and 2,377.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,300.42 : 12,448.66 = 2,377.12 : x
2. Step 2: Convert to fraction form
   8,300.42/12,448.66 = 2,377.12/x
3. Step 3: Cross multiply
   8,300.42x = 12,448.66 × 2,377.12
4. Step 4: Simplify right side
   8,300.42x = 29,591,958.66
5. Step 5: Solve for x
   x = 29,591,958.66/8,300.42
6. Step 6: Final answer
   x = 3,565.12