Finding the Fourth Proportional to 2,662.84, 3,994.44 and 1,276.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.84 : 3,994.44 = 1,276.48 : x
2. Step 2: Convert to fraction form
   2,662.84/3,994.44 = 1,276.48/x
3. Step 3: Cross multiply
   2,662.84x = 3,994.44 × 1,276.48
4. Step 4: Simplify right side
   2,662.84x = 5,098,822.77
5. Step 5: Solve for x
   x = 5,098,822.77/2,662.84
6. Step 6: Final answer
   x = 1,914.81