Finding the Fourth Proportional to 2,411.63, 3,328.28 and 1,515.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.63 : 3,328.28 = 1,515.51 : x
2. Step 2: Convert to fraction form
   2,411.63/3,328.28 = 1,515.51/x
3. Step 3: Cross multiply
   2,411.63x = 3,328.28 × 1,515.51
4. Step 4: Simplify right side
   2,411.63x = 5,044,034.05
5. Step 5: Solve for x
   x = 5,044,034.05/2,411.63
6. Step 6: Final answer
   x = 2,091.55