Finding the Fourth Proportional to 3,878.24, 5,815.98 and 1,412.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,878.24 : 5,815.98 = 1,412.51 : x
2. Step 2: Convert to fraction form
   3,878.24/5,815.98 = 1,412.51/x
3. Step 3: Cross multiply
   3,878.24x = 5,815.98 × 1,412.51
4. Step 4: Simplify right side
   3,878.24x = 8,215,100.83
5. Step 5: Solve for x
   x = 8,215,100.83/3,878.24
6. Step 6: Final answer
   x = 2,118.26