Finding the Fourth Proportional to 2,573.40, 3,551.35 and 1,511.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573.40 : 3,551.35 = 1,511.47 : x
2. Step 2: Convert to fraction form
   2,573.40/3,551.35 = 1,511.47/x
3. Step 3: Cross multiply
   2,573.40x = 3,551.35 × 1,511.47
4. Step 4: Simplify right side
   2,573.40x = 5,367,758.98
5. Step 5: Solve for x
   x = 5,367,758.98/2,573.40
6. Step 6: Final answer
   x = 2,085.86