Finding the Fourth Proportional to 3,466.75, 5,199.52 and 1,128.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,466.75 : 5,199.52 = 1,128.42 : x
2. Step 2: Convert to fraction form
   3,466.75/5,199.52 = 1,128.42/x
3. Step 3: Cross multiply
   3,466.75x = 5,199.52 × 1,128.42
4. Step 4: Simplify right side
   3,466.75x = 5,867,242.36
5. Step 5: Solve for x
   x = 5,867,242.36/3,466.75
6. Step 6: Final answer
   x = 1,692.43