Finding the Fourth Proportional to 9,617.49, 14,423.34 and 5,172.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,617.49 : 14,423.34 = 5,172.42 : x
2. Step 2: Convert to fraction form
   9,617.49/14,423.34 = 5,172.42/x
3. Step 3: Cross multiply
   9,617.49x = 14,423.34 × 5,172.42
4. Step 4: Simplify right side
   9,617.49x = 74,603,572.28
5. Step 5: Solve for x
   x = 74,603,572.28/9,617.49
6. Step 6: Final answer
   x = 7,757.07