Finding the Fourth Proportional to 1,414.86, 1,952.28 and 890.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,414.86 : 1,952.28 = 890.52 : x
2. Step 2: Convert to fraction form
   1,414.86/1,952.28 = 890.52/x
3. Step 3: Cross multiply
   1,414.86x = 1,952.28 × 890.52
4. Step 4: Simplify right side
   1,414.86x = 1,738,544.39
5. Step 5: Solve for x
   x = 1,738,544.39/1,414.86
6. Step 6: Final answer
   x = 1,228.77