Finding the Fourth Proportional to 2,056.06, 3,083.78 and 757.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.06 : 3,083.78 = 757.22 : x
2. Step 2: Convert to fraction form
   2,056.06/3,083.78 = 757.22/x
3. Step 3: Cross multiply
   2,056.06x = 3,083.78 × 757.22
4. Step 4: Simplify right side
   2,056.06x = 2,335,099.89
5. Step 5: Solve for x
   x = 2,335,099.89/2,056.06
6. Step 6: Final answer
   x = 1,135.72