Finding the Fourth Proportional to 2,506.71, 3,458.43 and 1,511.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,506.71 : 3,458.43 = 1,511.61 : x
2. Step 2: Convert to fraction form
   2,506.71/3,458.43 = 1,511.61/x
3. Step 3: Cross multiply
   2,506.71x = 3,458.43 × 1,511.61
4. Step 4: Simplify right side
   2,506.71x = 5,227,797.37
5. Step 5: Solve for x
   x = 5,227,797.37/2,506.71
6. Step 6: Final answer
   x = 2,085.52