Finding the Fourth Proportional to 5,143.98, 7,091.25 and 3,372.51

Step by Step Solution

1. Step 1: Write the proportion equation
   5,143.98 : 7,091.25 = 3,372.51 : x
2. Step 2: Convert to fraction form
   5,143.98/7,091.25 = 3,372.51/x
3. Step 3: Cross multiply
   5,143.98x = 7,091.25 × 3,372.51
4. Step 4: Simplify right side
   5,143.98x = 23,915,311.54
5. Step 5: Solve for x
   x = 23,915,311.54/5,143.98
6. Step 6: Final answer
   x = 4,649.18