Finding the Fourth Proportional to 2,002.36, 3,003.72 and 1,125.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.36 : 3,003.72 = 1,125.16 : x
2. Step 2: Convert to fraction form
   2,002.36/3,003.72 = 1,125.16/x
3. Step 3: Cross multiply
   2,002.36x = 3,003.72 × 1,125.16
4. Step 4: Simplify right side
   2,002.36x = 3,379,665.60
5. Step 5: Solve for x
   x = 3,379,665.60/2,002.36
6. Step 6: Final answer
   x = 1,687.84