Finding the Fourth Proportional to 9,334.38, 12,881.42 and 5,085.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,334.38 : 12,881.42 = 5,085.68 : x
2. Step 2: Convert to fraction form
   9,334.38/12,881.42 = 5,085.68/x
3. Step 3: Cross multiply
   9,334.38x = 12,881.42 × 5,085.68
4. Step 4: Simplify right side
   9,334.38x = 65,510,690.23
5. Step 5: Solve for x
   x = 65,510,690.23/9,334.38
6. Step 6: Final answer
   x = 7,018.22