Finding the Fourth Proportional to 3,155.56, 4,345.02 and 2,796.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,155.56 : 4,345.02 = 2,796.34 : x
2. Step 2: Convert to fraction form
   3,155.56/4,345.02 = 2,796.34/x
3. Step 3: Cross multiply
   3,155.56x = 4,345.02 × 2,796.34
4. Step 4: Simplify right side
   3,155.56x = 12,150,153.23
5. Step 5: Solve for x
   x = 12,150,153.23/3,155.56
6. Step 6: Final answer
   x = 3,850.40