Finding the Fourth Proportional to 12,604.82, 18,890.79 and 5,200.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,604.82 : 18,890.79 = 5,200.82 : x
2. Step 2: Convert to fraction form
   12,604.82/18,890.79 = 5,200.82/x
3. Step 3: Cross multiply
   12,604.82x = 18,890.79 × 5,200.82
4. Step 4: Simplify right side
   12,604.82x = 98,247,598.45
5. Step 5: Solve for x
   x = 98,247,598.45/12,604.82
6. Step 6: Final answer
   x = 7,794.45