Finding the Fourth Proportional to 2,154.06, 3,231.50 and 692.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154.06 : 3,231.50 = 692.82 : x
2. Step 2: Convert to fraction form
   2,154.06/3,231.50 = 692.82/x
3. Step 3: Cross multiply
   2,154.06x = 3,231.50 × 692.82
4. Step 4: Simplify right side
   2,154.06x = 2,238,844.37
5. Step 5: Solve for x
   x = 2,238,844.37/2,154.06
6. Step 6: Final answer
   x = 1,039.36