Finding the Fourth Proportional to 5,491.72, 7,579.38 and 3,134.44

Step by Step Solution

1. Step 1: Write the proportion equation
   5,491.72 : 7,579.38 = 3,134.44 : x
2. Step 2: Convert to fraction form
   5,491.72/7,579.38 = 3,134.44/x
3. Step 3: Cross multiply
   5,491.72x = 7,579.38 × 3,134.44
4. Step 4: Simplify right side
   5,491.72x = 23,757,111.85
5. Step 5: Solve for x
   x = 23,757,111.85/5,491.72
6. Step 6: Final answer
   x = 4,325.99