Finding the Fourth Proportional to 3,453.76, 5,144.27 and 3,381.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,453.76 : 5,144.27 = 3,381.76 : x
2. Step 2: Convert to fraction form
   3,453.76/5,144.27 = 3,381.76/x
3. Step 3: Cross multiply
   3,453.76x = 5,144.27 × 3,381.76
4. Step 4: Simplify right side
   3,453.76x = 17,396,686.52
5. Step 5: Solve for x
   x = 17,396,686.52/3,453.76
6. Step 6: Final answer
   x = 5,037.03