Finding the Fourth Proportional to 2,728.46, 4,093.91 and 1,429.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728.46 : 4,093.91 = 1,429.63 : x
2. Step 2: Convert to fraction form
   2,728.46/4,093.91 = 1,429.63/x
3. Step 3: Cross multiply
   2,728.46x = 4,093.91 × 1,429.63
4. Step 4: Simplify right side
   2,728.46x = 5,852,776.55
5. Step 5: Solve for x
   x = 5,852,776.55/2,728.46
6. Step 6: Final answer
   x = 2,145.08