Finding the Fourth Proportional to 2,763.84, 4,144.76 and 914.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,763.84 : 4,144.76 = 914.48 : x
2. Step 2: Convert to fraction form
   2,763.84/4,144.76 = 914.48/x
3. Step 3: Cross multiply
   2,763.84x = 4,144.76 × 914.48
4. Step 4: Simplify right side
   2,763.84x = 3,790,300.12
5. Step 5: Solve for x
   x = 3,790,300.12/2,763.84
6. Step 6: Final answer
   x = 1,371.39