Finding the Fourth Proportional to 1,426.35, 2,140.61 and 963.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.35 : 2,140.61 = 963.03 : x
2. Step 2: Convert to fraction form
   1,426.35/2,140.61 = 963.03/x
3. Step 3: Cross multiply
   1,426.35x = 2,140.61 × 963.03
4. Step 4: Simplify right side
   1,426.35x = 2,061,466.83
5. Step 5: Solve for x
   x = 2,061,466.83/1,426.35
6. Step 6: Final answer
   x = 1,445.27