Finding the Fourth Proportional to 3,926.76, 5,419.32 and 2,354.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,926.76 : 5,419.32 = 2,354.54 : x
2. Step 2: Convert to fraction form
   3,926.76/5,419.32 = 2,354.54/x
3. Step 3: Cross multiply
   3,926.76x = 5,419.32 × 2,354.54
4. Step 4: Simplify right side
   3,926.76x = 12,760,005.71
5. Step 5: Solve for x
   x = 12,760,005.71/3,926.76
6. Step 6: Final answer
   x = 3,249.50