Finding the Fourth Proportional to 9,142.31, 12,616.31 and 4,950.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,142.31 : 12,616.31 = 4,950.56 : x
2. Step 2: Convert to fraction form
   9,142.31/12,616.31 = 4,950.56/x
3. Step 3: Cross multiply
   9,142.31x = 12,616.31 × 4,950.56
4. Step 4: Simplify right side
   9,142.31x = 62,457,843.55
5. Step 5: Solve for x
   x = 62,457,843.55/9,142.31
6. Step 6: Final answer
   x = 6,831.73