Finding the Fourth Proportional to 2,143.14, 2,957.79 and 1,303.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143.14 : 2,957.79 = 1,303.89 : x
2. Step 2: Convert to fraction form
   2,143.14/2,957.79 = 1,303.89/x
3. Step 3: Cross multiply
   2,143.14x = 2,957.79 × 1,303.89
4. Step 4: Simplify right side
   2,143.14x = 3,856,632.80
5. Step 5: Solve for x
   x = 3,856,632.80/2,143.14
6. Step 6: Final answer
   x = 1,799.52