Finding the Fourth Proportional to 1,426.76, 2,136.54 and 964.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.76 : 2,136.54 = 964.04 : x
2. Step 2: Convert to fraction form
   1,426.76/2,136.54 = 964.04/x
3. Step 3: Cross multiply
   1,426.76x = 2,136.54 × 964.04
4. Step 4: Simplify right side
   1,426.76x = 2,059,710.02
5. Step 5: Solve for x
   x = 2,059,710.02/1,426.76
6. Step 6: Final answer
   x = 1,443.63