Finding the Fourth Proportional to 1,692.56, 2,336.22 and 984.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,692.56 : 2,336.22 = 984.57 : x
2. Step 2: Convert to fraction form
   1,692.56/2,336.22 = 984.57/x
3. Step 3: Cross multiply
   1,692.56x = 2,336.22 × 984.57
4. Step 4: Simplify right side
   1,692.56x = 2,300,162.91
5. Step 5: Solve for x
   x = 2,300,162.91/1,692.56
6. Step 6: Final answer
   x = 1,358.99