Finding the Fourth Proportional to 1,429.41, 2,140.36 and 1,150.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.41 : 2,140.36 = 1,150.28 : x
2. Step 2: Convert to fraction form
   1,429.41/2,140.36 = 1,150.28/x
3. Step 3: Cross multiply
   1,429.41x = 2,140.36 × 1,150.28
4. Step 4: Simplify right side
   1,429.41x = 2,462,007.55
5. Step 5: Solve for x
   x = 2,462,007.55/1,429.41
6. Step 6: Final answer
   x = 1,722.39