Finding the Fourth Proportional to 3,919.41, 5,412.42 and 2,524.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,919.41 : 5,412.42 = 2,524.59 : x
2. Step 2: Convert to fraction form
   3,919.41/5,412.42 = 2,524.59/x
3. Step 3: Cross multiply
   3,919.41x = 5,412.42 × 2,524.59
4. Step 4: Simplify right side
   3,919.41x = 13,664,141.41
5. Step 5: Solve for x
   x = 13,664,141.41/3,919.41
6. Step 6: Final answer
   x = 3,486.28