Finding the Fourth Proportional to 1,424.52, 1,965.33 and 1,274.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424.52 : 1,965.33 = 1,274.87 : x
2. Step 2: Convert to fraction form
   1,424.52/1,965.33 = 1,274.87/x
3. Step 3: Cross multiply
   1,424.52x = 1,965.33 × 1,274.87
4. Step 4: Simplify right side
   1,424.52x = 2,505,545.17
5. Step 5: Solve for x
   x = 2,505,545.17/1,424.52
6. Step 6: Final answer
   x = 1,758.87