Finding the Fourth Proportional to 2,786.32, 3,833.76 and 2,412.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,786.32 : 3,833.76 = 2,412.10 : x
2. Step 2: Convert to fraction form
   2,786.32/3,833.76 = 2,412.10/x
3. Step 3: Cross multiply
   2,786.32x = 3,833.76 × 2,412.10
4. Step 4: Simplify right side
   2,786.32x = 9,247,412.50
5. Step 5: Solve for x
   x = 9,247,412.50/2,786.32
6. Step 6: Final answer
   x = 3,318.86