Finding the Fourth Proportional to 2,007.12, 3,003.96 and 1,517.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.12 : 3,003.96 = 1,517.46 : x
2. Step 2: Convert to fraction form
   2,007.12/3,003.96 = 1,517.46/x
3. Step 3: Cross multiply
   2,007.12x = 3,003.96 × 1,517.46
4. Step 4: Simplify right side
   2,007.12x = 4,558,389.14
5. Step 5: Solve for x
   x = 4,558,389.14/2,007.12
6. Step 6: Final answer
   x = 2,271.11