Finding the Fourth Proportional to 9,175.72, 13,760.10 and 3,907.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,175.72 : 13,760.10 = 3,907.42 : x
2. Step 2: Convert to fraction form
   9,175.72/13,760.10 = 3,907.42/x
3. Step 3: Cross multiply
   9,175.72x = 13,760.10 × 3,907.42
4. Step 4: Simplify right side
   9,175.72x = 53,766,489.94
5. Step 5: Solve for x
   x = 53,766,489.94/9,175.72
6. Step 6: Final answer
   x = 5,859.65