Finding the Fourth Proportional to 2,153.42, 3,229.82 and 692.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153.42 : 3,229.82 = 692.38 : x
2. Step 2: Convert to fraction form
   2,153.42/3,229.82 = 692.38/x
3. Step 3: Cross multiply
   2,153.42x = 3,229.82 × 692.38
4. Step 4: Simplify right side
   2,153.42x = 2,236,262.77
5. Step 5: Solve for x
   x = 2,236,262.77/2,153.42
6. Step 6: Final answer
   x = 1,038.47