Finding the Fourth Proportional to 8,519.39, 12,773.61 and 5,594.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,519.39 : 12,773.61 = 5,594.28 : x
2. Step 2: Convert to fraction form
   8,519.39/12,773.61 = 5,594.28/x
3. Step 3: Cross multiply
   8,519.39x = 12,773.61 × 5,594.28
4. Step 4: Simplify right side
   8,519.39x = 71,459,087.08
5. Step 5: Solve for x
   x = 71,459,087.08/8,519.39
6. Step 6: Final answer
   x = 8,387.82