Finding the Fourth Proportional to 1,426.90, 1,970.10 and 896.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.90 : 1,970.10 = 896.02 : x
2. Step 2: Convert to fraction form
   1,426.90/1,970.10 = 896.02/x
3. Step 3: Cross multiply
   1,426.90x = 1,970.10 × 896.02
4. Step 4: Simplify right side
   1,426.90x = 1,765,249.00
5. Step 5: Solve for x
   x = 1,765,249.00/1,426.90
6. Step 6: Final answer
   x = 1,237.12