Finding the Fourth Proportional to 2,506.15, 3,458.37 and 1,511.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,506.15 : 3,458.37 = 1,511.23 : x
2. Step 2: Convert to fraction form
   2,506.15/3,458.37 = 1,511.23/x
3. Step 3: Cross multiply
   2,506.15x = 3,458.37 × 1,511.23
4. Step 4: Simplify right side
   2,506.15x = 5,226,392.50
5. Step 5: Solve for x
   x = 5,226,392.50/2,506.15
6. Step 6: Final answer
   x = 2,085.43