Finding the Fourth Proportional to 9,142.35, 12,616.38 and 4,950.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,142.35 : 12,616.38 = 4,950.60 : x
2. Step 2: Convert to fraction form
   9,142.35/12,616.38 = 4,950.60/x
3. Step 3: Cross multiply
   9,142.35x = 12,616.38 × 4,950.60
4. Step 4: Simplify right side
   9,142.35x = 62,458,696.04
5. Step 5: Solve for x
   x = 62,458,696.04/9,142.35
6. Step 6: Final answer
   x = 6,831.80