Finding the Fourth Proportional to 1,434.59, 2,134.73 and 1,429.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434.59 : 2,134.73 = 1,429.73 : x
2. Step 2: Convert to fraction form
   1,434.59/2,134.73 = 1,429.73/x
3. Step 3: Cross multiply
   1,434.59x = 2,134.73 × 1,429.73
4. Step 4: Simplify right side
   1,434.59x = 3,052,069.70
5. Step 5: Solve for x
   x = 3,052,069.70/1,434.59
6. Step 6: Final answer
   x = 2,127.49