Finding the Fourth Proportional to 8,511.40, 12,766.24 and 2,667.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,511.40 : 12,766.24 = 2,667.52 : x
2. Step 2: Convert to fraction form
   8,511.40/12,766.24 = 2,667.52/x
3. Step 3: Cross multiply
   8,511.40x = 12,766.24 × 2,667.52
4. Step 4: Simplify right side
   8,511.40x = 34,054,200.52
5. Step 5: Solve for x
   x = 34,054,200.52/8,511.40
6. Step 6: Final answer
   x = 4,001.01