Finding the Fourth Proportional to 2,412.16, 3,329.15 and 1,528.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,412.16 : 3,329.15 = 1,528.04 : x
2. Step 2: Convert to fraction form
   2,412.16/3,329.15 = 1,528.04/x
3. Step 3: Cross multiply
   2,412.16x = 3,329.15 × 1,528.04
4. Step 4: Simplify right side
   2,412.16x = 5,087,075.05
5. Step 5: Solve for x
   x = 5,087,075.05/2,412.16
6. Step 6: Final answer
   x = 2,108.93