Finding the Fourth Proportional to 2,763.52, 4,145.70 and 914.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,763.52 : 4,145.70 = 914.83 : x
2. Step 2: Convert to fraction form
   2,763.52/4,145.70 = 914.83/x
3. Step 3: Cross multiply
   2,763.52x = 4,145.70 × 914.83
4. Step 4: Simplify right side
   2,763.52x = 3,792,610.73
5. Step 5: Solve for x
   x = 3,792,610.73/2,763.52
6. Step 6: Final answer
   x = 1,372.38