Finding the Fourth Proportional to 10,819.45, 14,930.83 and 6,103.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,819.45 : 14,930.83 = 6,103.72 : x
2. Step 2: Convert to fraction form
   10,819.45/14,930.83 = 6,103.72/x
3. Step 3: Cross multiply
   10,819.45x = 14,930.83 × 6,103.72
4. Step 4: Simplify right side
   10,819.45x = 91,133,605.69
5. Step 5: Solve for x
   x = 91,133,605.69/10,819.45
6. Step 6: Final answer
   x = 8,423.13