Finding the Fourth Proportional to 1,692.72, 2,537.46 and 1,074.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,692.72 : 2,537.46 = 1,074.89 : x
2. Step 2: Convert to fraction form
   1,692.72/2,537.46 = 1,074.89/x
3. Step 3: Cross multiply
   1,692.72x = 2,537.46 × 1,074.89
4. Step 4: Simplify right side
   1,692.72x = 2,727,496.72
5. Step 5: Solve for x
   x = 2,727,496.72/1,692.72
6. Step 6: Final answer
   x = 1,611.31