Finding the Fourth Proportional to 1,692.72, 2,335.92 and 984.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,692.72 : 2,335.92 = 984.24 : x
2. Step 2: Convert to fraction form
   1,692.72/2,335.92 = 984.24/x
3. Step 3: Cross multiply
   1,692.72x = 2,335.92 × 984.24
4. Step 4: Simplify right side
   1,692.72x = 2,299,105.90
5. Step 5: Solve for x
   x = 2,299,105.90/1,692.72
6. Step 6: Final answer
   x = 1,358.23