Finding the Fourth Proportional to 5,372.54, 7,417.72 and 4,111.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,372.54 : 7,417.72 = 4,111.34 : x
2. Step 2: Convert to fraction form
   5,372.54/7,417.72 = 4,111.34/x
3. Step 3: Cross multiply
   5,372.54x = 7,417.72 × 4,111.34
4. Step 4: Simplify right side
   5,372.54x = 30,496,768.94
5. Step 5: Solve for x
   x = 30,496,768.94/5,372.54
6. Step 6: Final answer
   x = 5,676.42