Finding the Fourth Proportional to 5,411.38, 7,462.74 and 3,418.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,411.38 : 7,462.74 = 3,418.42 : x
2. Step 2: Convert to fraction form
   5,411.38/7,462.74 = 3,418.42/x
3. Step 3: Cross multiply
   5,411.38x = 7,462.74 × 3,418.42
4. Step 4: Simplify right side
   5,411.38x = 25,510,779.67
5. Step 5: Solve for x
   x = 25,510,779.67/5,411.38
6. Step 6: Final answer
   x = 4,714.28