Finding the Fourth Proportional to 2,519.12, 3,467.76 and 2,185.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,519.12 : 3,467.76 = 2,185.58 : x
2. Step 2: Convert to fraction form
   2,519.12/3,467.76 = 2,185.58/x
3. Step 3: Cross multiply
   2,519.12x = 3,467.76 × 2,185.58
4. Step 4: Simplify right side
   2,519.12x = 7,579,066.90
5. Step 5: Solve for x
   x = 7,579,066.90/2,519.12
6. Step 6: Final answer
   x = 3,008.62