Finding the Fourth Proportional to 8,065.37, 12,100.49 and 2,519.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,065.37 : 12,100.49 = 2,519.30 : x
2. Step 2: Convert to fraction form
   8,065.37/12,100.49 = 2,519.30/x
3. Step 3: Cross multiply
   8,065.37x = 12,100.49 × 2,519.30
4. Step 4: Simplify right side
   8,065.37x = 30,484,791.56
5. Step 5: Solve for x
   x = 30,484,791.56/8,065.37
6. Step 6: Final answer
   x = 3,779.71