Finding the Fourth Proportional to 12,584.76, 17,367.42 and 6,919.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,584.76 : 17,367.42 = 6,919.94 : x
2. Step 2: Convert to fraction form
   12,584.76/17,367.42 = 6,919.94/x
3. Step 3: Cross multiply
   12,584.76x = 17,367.42 × 6,919.94
4. Step 4: Simplify right side
   12,584.76x = 120,181,544.53
5. Step 5: Solve for x
   x = 120,181,544.53/12,584.76
6. Step 6: Final answer
   x = 9,549.77