Finding the Fourth Proportional to 1,429.83, 2,133.25 and 1,273.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.83 : 2,133.25 = 1,273.90 : x
2. Step 2: Convert to fraction form
   1,429.83/2,133.25 = 1,273.90/x
3. Step 3: Cross multiply
   1,429.83x = 2,133.25 × 1,273.90
4. Step 4: Simplify right side
   1,429.83x = 2,717,540.81
5. Step 5: Solve for x
   x = 2,717,540.81/1,429.83
6. Step 6: Final answer
   x = 1,900.60