Finding the Fourth Proportional to 2,456.34, 3,389.22 and 1,511.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.34 : 3,389.22 = 1,511.88 : x
2. Step 2: Convert to fraction form
   2,456.34/3,389.22 = 1,511.88/x
3. Step 3: Cross multiply
   2,456.34x = 3,389.22 × 1,511.88
4. Step 4: Simplify right side
   2,456.34x = 5,124,093.93
5. Step 5: Solve for x
   x = 5,124,093.93/2,456.34
6. Step 6: Final answer
   x = 2,086.07