Finding the Fourth Proportional to 2,056.49, 3,081.95 and 945.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.49 : 3,081.95 = 945.27 : x
2. Step 2: Convert to fraction form
   2,056.49/3,081.95 = 945.27/x
3. Step 3: Cross multiply
   2,056.49x = 3,081.95 × 945.27
4. Step 4: Simplify right side
   2,056.49x = 2,913,273.69
5. Step 5: Solve for x
   x = 2,913,273.69/2,056.49
6. Step 6: Final answer
   x = 1,416.63