Finding the Fourth Proportional to 2,766.93, 3,815.71 and 2,136.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,766.93 : 3,815.71 = 2,136.45 : x
2. Step 2: Convert to fraction form
   2,766.93/3,815.71 = 2,136.45/x
3. Step 3: Cross multiply
   2,766.93x = 3,815.71 × 2,136.45
4. Step 4: Simplify right side
   2,766.93x = 8,152,073.63
5. Step 5: Solve for x
   x = 8,152,073.63/2,766.93
6. Step 6: Final answer
   x = 2,946.25