Finding the Fourth Proportional to 1,426.08, 1,966.50 and 984.66

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.08 : 1,966.50 = 984.66 : x
2. Step 2: Convert to fraction form
   1,426.08/1,966.50 = 984.66/x
3. Step 3: Cross multiply
   1,426.08x = 1,966.50 × 984.66
4. Step 4: Simplify right side
   1,426.08x = 1,936,333.89
5. Step 5: Solve for x
   x = 1,936,333.89/1,426.08
6. Step 6: Final answer
   x = 1,357.80