Finding the Fourth Proportional to 11,354.85, 17,027.42 and 3,957.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,354.85 : 17,027.42 = 3,957.12 : x
2. Step 2: Convert to fraction form
   11,354.85/17,027.42 = 3,957.12/x
3. Step 3: Cross multiply
   11,354.85x = 17,027.42 × 3,957.12
4. Step 4: Simplify right side
   11,354.85x = 67,379,576.91
5. Step 5: Solve for x
   x = 67,379,576.91/11,354.85
6. Step 6: Final answer
   x = 5,933.99