Finding the Fourth Proportional to 1,507.72, 2,257.96 and 1,044.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,507.72 : 2,257.96 = 1,044.28 : x
2. Step 2: Convert to fraction form
   1,507.72/2,257.96 = 1,044.28/x
3. Step 3: Cross multiply
   1,507.72x = 2,257.96 × 1,044.28
4. Step 4: Simplify right side
   1,507.72x = 2,357,942.47
5. Step 5: Solve for x
   x = 2,357,942.47/1,507.72
6. Step 6: Final answer
   x = 1,563.91