Finding the Fourth Proportional to 1,420.07, 1,959.12 and 896.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,420.07 : 1,959.12 = 896.27 : x
2. Step 2: Convert to fraction form
   1,420.07/1,959.12 = 896.27/x
3. Step 3: Cross multiply
   1,420.07x = 1,959.12 × 896.27
4. Step 4: Simplify right side
   1,420.07x = 1,755,890.69
5. Step 5: Solve for x
   x = 1,755,890.69/1,420.07
6. Step 6: Final answer
   x = 1,236.49