Finding the Fourth Proportional to 12,003.99, 16,573.46 and 7,819.35

Step by Step Solution

1. Step 1: Write the proportion equation
   12,003.99 : 16,573.46 = 7,819.35 : x
2. Step 2: Convert to fraction form
   12,003.99/16,573.46 = 7,819.35/x
3. Step 3: Cross multiply
   12,003.99x = 16,573.46 × 7,819.35
4. Step 4: Simplify right side
   12,003.99x = 129,593,645.35
5. Step 5: Solve for x
   x = 129,593,645.35/12,003.99
6. Step 6: Final answer
   x = 10,795.88