Finding the Fourth Proportional to 3,003.29, 4,503.77 and 1,128.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,003.29 : 4,503.77 = 1,128.59 : x
2. Step 2: Convert to fraction form
   3,003.29/4,503.77 = 1,128.59/x
3. Step 3: Cross multiply
   3,003.29x = 4,503.77 × 1,128.59
4. Step 4: Simplify right side
   3,003.29x = 5,082,904.14
5. Step 5: Solve for x
   x = 5,082,904.14/3,003.29
6. Step 6: Final answer
   x = 1,692.45