Finding the Fourth Proportional to 9,335.89, 12,883.50 and 5,144.14

Step by Step Solution

1. Step 1: Write the proportion equation
   9,335.89 : 12,883.50 = 5,144.14 : x
2. Step 2: Convert to fraction form
   9,335.89/12,883.50 = 5,144.14/x
3. Step 3: Cross multiply
   9,335.89x = 12,883.50 × 5,144.14
4. Step 4: Simplify right side
   9,335.89x = 66,274,527.69
5. Step 5: Solve for x
   x = 66,274,527.69/9,335.89
6. Step 6: Final answer
   x = 7,098.90