Finding the Fourth Proportional to 8,510.69, 12,768.06 and 2,667.77

Step by Step Solution

1. Step 1: Write the proportion equation
   8,510.69 : 12,768.06 = 2,667.77 : x
2. Step 2: Convert to fraction form
   8,510.69/12,768.06 = 2,667.77/x
3. Step 3: Cross multiply
   8,510.69x = 12,768.06 × 2,667.77
4. Step 4: Simplify right side
   8,510.69x = 34,062,247.43
5. Step 5: Solve for x
   x = 34,062,247.43/8,510.69
6. Step 6: Final answer
   x = 4,002.29