Finding the Fourth Proportional to 3,538.17, 5,310.86 and 2,438.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,538.17 : 5,310.86 = 2,438.73 : x
2. Step 2: Convert to fraction form
   3,538.17/5,310.86 = 2,438.73/x
3. Step 3: Cross multiply
   3,538.17x = 5,310.86 × 2,438.73
4. Step 4: Simplify right side
   3,538.17x = 12,951,741.41
5. Step 5: Solve for x
   x = 12,951,741.41/3,538.17
6. Step 6: Final answer
   x = 3,660.58