Finding the Fourth Proportional to 6,412.72, 9,612.69 and 3,074.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,412.72 : 9,612.69 = 3,074.82 : x
2. Step 2: Convert to fraction form
   6,412.72/9,612.69 = 3,074.82/x
3. Step 3: Cross multiply
   6,412.72x = 9,612.69 × 3,074.82
4. Step 4: Simplify right side
   6,412.72x = 29,557,291.47
5. Step 5: Solve for x
   x = 29,557,291.47/6,412.72
6. Step 6: Final answer
   x = 4,609.17