Finding the Fourth Proportional to 2,956.06, 4,443.81 and 2,742.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,956.06 : 4,443.81 = 2,742.22 : x
2. Step 2: Convert to fraction form
   2,956.06/4,443.81 = 2,742.22/x
3. Step 3: Cross multiply
   2,956.06x = 4,443.81 × 2,742.22
4. Step 4: Simplify right side
   2,956.06x = 12,185,904.66
5. Step 5: Solve for x
   x = 12,185,904.66/2,956.06
6. Step 6: Final answer
   x = 4,122.35