Finding the Fourth Proportional to 4,993.74, 7,491.69 and 3,147.30

Step by Step Solution

1. Step 1: Write the proportion equation
   4,993.74 : 7,491.69 = 3,147.30 : x
2. Step 2: Convert to fraction form
   4,993.74/7,491.69 = 3,147.30/x
3. Step 3: Cross multiply
   4,993.74x = 7,491.69 × 3,147.30
4. Step 4: Simplify right side
   4,993.74x = 23,578,595.94
5. Step 5: Solve for x
   x = 23,578,595.94/4,993.74
6. Step 6: Final answer
   x = 4,721.63