Finding the Fourth Proportional to 9,172.62, 13,760.71 and 3,907.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,172.62 : 13,760.71 = 3,907.53 : x
2. Step 2: Convert to fraction form
   9,172.62/13,760.71 = 3,907.53/x
3. Step 3: Cross multiply
   9,172.62x = 13,760.71 × 3,907.53
4. Step 4: Simplify right side
   9,172.62x = 53,770,377.38
5. Step 5: Solve for x
   x = 53,770,377.38/9,172.62
6. Step 6: Final answer
   x = 5,862.05