Finding the Fourth Proportional to 2,004.30, 3,007.26 and 1,017.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,004.30 : 3,007.26 = 1,017.72 : x
2. Step 2: Convert to fraction form
   2,004.30/3,007.26 = 1,017.72/x
3. Step 3: Cross multiply
   2,004.30x = 3,007.26 × 1,017.72
4. Step 4: Simplify right side
   2,004.30x = 3,060,548.65
5. Step 5: Solve for x
   x = 3,060,548.65/2,004.30
6. Step 6: Final answer
   x = 1,526.99