Finding the Fourth Proportional to 1,905.94, 2,628.72 and 1,276.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,905.94 : 2,628.72 = 1,276.27 : x
2. Step 2: Convert to fraction form
   1,905.94/2,628.72 = 1,276.27/x
3. Step 3: Cross multiply
   1,905.94x = 2,628.72 × 1,276.27
4. Step 4: Simplify right side
   1,905.94x = 3,354,950.09
5. Step 5: Solve for x
   x = 3,354,950.09/1,905.94
6. Step 6: Final answer
   x = 1,760.26