Finding the Fourth Proportional to 3,349.37, 5,024.77 and 1,128.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,349.37 : 5,024.77 = 1,128.42 : x
2. Step 2: Convert to fraction form
   3,349.37/5,024.77 = 1,128.42/x
3. Step 3: Cross multiply
   3,349.37x = 5,024.77 × 1,128.42
4. Step 4: Simplify right side
   3,349.37x = 5,670,063.91
5. Step 5: Solve for x
   x = 5,670,063.91/3,349.37
6. Step 6: Final answer
   x = 1,692.88