Finding the Fourth Proportional to 1,276.08, 1,925.89 and 1,243.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,276.08 : 1,925.89 = 1,243.27 : x
2. Step 2: Convert to fraction form
   1,276.08/1,925.89 = 1,243.27/x
3. Step 3: Cross multiply
   1,276.08x = 1,925.89 × 1,243.27
4. Step 4: Simplify right side
   1,276.08x = 2,394,407.72
5. Step 5: Solve for x
   x = 2,394,407.72/1,276.08
6. Step 6: Final answer
   x = 1,876.38