Finding the Fourth Proportional to 3,371.67, 5,063.18 and 2,538.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,371.67 : 5,063.18 = 2,538.81 : x
2. Step 2: Convert to fraction form
   3,371.67/5,063.18 = 2,538.81/x
3. Step 3: Cross multiply
   3,371.67x = 5,063.18 × 2,538.81
4. Step 4: Simplify right side
   3,371.67x = 12,854,439.32
5. Step 5: Solve for x
   x = 12,854,439.32/3,371.67
6. Step 6: Final answer
   x = 3,812.48