Finding the Fourth Proportional to 3,793.72, 5,692.10 and 1,330.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,793.72 : 5,692.10 = 1,330.31 : x
2. Step 2: Convert to fraction form
   3,793.72/5,692.10 = 1,330.31/x
3. Step 3: Cross multiply
   3,793.72x = 5,692.10 × 1,330.31
4. Step 4: Simplify right side
   3,793.72x = 7,572,222.44
5. Step 5: Solve for x
   x = 7,572,222.44/3,793.72
6. Step 6: Final answer
   x = 1,995.99