Finding the Fourth Proportional to 3,776.42, 5,211.39 and 2,097.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,776.42 : 5,211.39 = 2,097.80 : x
2. Step 2: Convert to fraction form
   3,776.42/5,211.39 = 2,097.80/x
3. Step 3: Cross multiply
   3,776.42x = 5,211.39 × 2,097.80
4. Step 4: Simplify right side
   3,776.42x = 10,932,453.94
5. Step 5: Solve for x
   x = 10,932,453.94/3,776.42
6. Step 6: Final answer
   x = 2,894.93