Finding the Fourth Proportional to 2,866.56, 3,955.95 and 2,735.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,866.56 : 3,955.95 = 2,735.34 : x
2. Step 2: Convert to fraction form
   2,866.56/3,955.95 = 2,735.34/x
3. Step 3: Cross multiply
   2,866.56x = 3,955.95 × 2,735.34
4. Step 4: Simplify right side
   2,866.56x = 10,820,868.27
5. Step 5: Solve for x
   x = 10,820,868.27/2,866.56
6. Step 6: Final answer
   x = 3,774.86