Finding the Fourth Proportional to 8,462.25, 12,693.18 and 2,919.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,462.25 : 12,693.18 = 2,919.42 : x
2. Step 2: Convert to fraction form
   8,462.25/12,693.18 = 2,919.42/x
3. Step 3: Cross multiply
   8,462.25x = 12,693.18 × 2,919.42
4. Step 4: Simplify right side
   8,462.25x = 37,056,723.56
5. Step 5: Solve for x
   x = 37,056,723.56/8,462.25
6. Step 6: Final answer
   x = 4,379.06