Finding the Fourth Proportional to 12,919.05, 19,371.83 and 4,597.85

Step by Step Solution

1. Step 1: Write the proportion equation
   12,919.05 : 19,371.83 = 4,597.85 : x
2. Step 2: Convert to fraction form
   12,919.05/19,371.83 = 4,597.85/x
3. Step 3: Cross multiply
   12,919.05x = 19,371.83 × 4,597.85
4. Step 4: Simplify right side
   12,919.05x = 89,068,768.57
5. Step 5: Solve for x
   x = 89,068,768.57/12,919.05
6. Step 6: Final answer
   x = 6,894.37