Finding the Fourth Proportional to 2,777.49, 3,808.62 and 2,684.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,777.49 : 3,808.62 = 2,684.34 : x
2. Step 2: Convert to fraction form
   2,777.49/3,808.62 = 2,684.34/x
3. Step 3: Cross multiply
   2,777.49x = 3,808.62 × 2,684.34
4. Step 4: Simplify right side
   2,777.49x = 10,223,631.01
5. Step 5: Solve for x
   x = 10,223,631.01/2,777.49
6. Step 6: Final answer
   x = 3,680.89