Finding the Fourth Proportional to 5,410.38, 7,458.84 and 3,419.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,410.38 : 7,458.84 = 3,419.94 : x
2. Step 2: Convert to fraction form
   5,410.38/7,458.84 = 3,419.94/x
3. Step 3: Cross multiply
   5,410.38x = 7,458.84 × 3,419.94
4. Step 4: Simplify right side
   5,410.38x = 25,508,785.27
5. Step 5: Solve for x
   x = 25,508,785.27/5,410.38
6. Step 6: Final answer
   x = 4,714.79