Finding the Fourth Proportional to 1,692.80, 2,337.46 and 1,064.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,692.80 : 2,337.46 = 1,064.34 : x
2. Step 2: Convert to fraction form
   1,692.80/2,337.46 = 1,064.34/x
3. Step 3: Cross multiply
   1,692.80x = 2,337.46 × 1,064.34
4. Step 4: Simplify right side
   1,692.80x = 2,487,849.52
5. Step 5: Solve for x
   x = 2,487,849.52/1,692.80
6. Step 6: Final answer
   x = 1,469.67