Finding the Fourth Proportional to 2,825.59, 4,238.46 and 2,412.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,825.59 : 4,238.46 = 2,412.12 : x
2. Step 2: Convert to fraction form
   2,825.59/4,238.46 = 2,412.12/x
3. Step 3: Cross multiply
   2,825.59x = 4,238.46 × 2,412.12
4. Step 4: Simplify right side
   2,825.59x = 10,223,674.14
5. Step 5: Solve for x
   x = 10,223,674.14/2,825.59
6. Step 6: Final answer
   x = 3,618.24