Finding the Fourth Proportional to 1,426.30, 2,139.31 and 967.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.30 : 2,139.31 = 967.03 : x
2. Step 2: Convert to fraction form
   1,426.30/2,139.31 = 967.03/x
3. Step 3: Cross multiply
   1,426.30x = 2,139.31 × 967.03
4. Step 4: Simplify right side
   1,426.30x = 2,068,769.18
5. Step 5: Solve for x
   x = 2,068,769.18/1,426.30
6. Step 6: Final answer
   x = 1,450.45