Finding the Fourth Proportional to 3,491.72, 5,238.57 and 1,026.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,491.72 : 5,238.57 = 1,026.49 : x
2. Step 2: Convert to fraction form
   3,491.72/5,238.57 = 1,026.49/x
3. Step 3: Cross multiply
   3,491.72x = 5,238.57 × 1,026.49
4. Step 4: Simplify right side
   3,491.72x = 5,377,339.72
5. Step 5: Solve for x
   x = 5,377,339.72/3,491.72
6. Step 6: Final answer
   x = 1,540.03