Finding the Fourth Proportional to 3,776.80, 5,211.23 and 2,097.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,776.80 : 5,211.23 = 2,097.98 : x
2. Step 2: Convert to fraction form
   3,776.80/5,211.23 = 2,097.98/x
3. Step 3: Cross multiply
   3,776.80x = 5,211.23 × 2,097.98
4. Step 4: Simplify right side
   3,776.80x = 10,933,056.32
5. Step 5: Solve for x
   x = 10,933,056.32/3,776.80
6. Step 6: Final answer
   x = 2,894.79