Finding the Fourth Proportional to 2,076.56, 3,100.42 and 2,055.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.56 : 3,100.42 = 2,055.76 : x
2. Step 2: Convert to fraction form
   2,076.56/3,100.42 = 2,055.76/x
3. Step 3: Cross multiply
   2,076.56x = 3,100.42 × 2,055.76
4. Step 4: Simplify right side
   2,076.56x = 6,373,719.42
5. Step 5: Solve for x
   x = 6,373,719.42/2,076.56
6. Step 6: Final answer
   x = 3,069.36