Finding the Fourth Proportional to 9,335.49, 12,882.93 and 5,086.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,335.49 : 12,882.93 = 5,086.55 : x
2. Step 2: Convert to fraction form
   9,335.49/12,882.93 = 5,086.55/x
3. Step 3: Cross multiply
   9,335.49x = 12,882.93 × 5,086.55
4. Step 4: Simplify right side
   9,335.49x = 65,529,667.59
5. Step 5: Solve for x
   x = 65,529,667.59/9,335.49
6. Step 6: Final answer
   x = 7,019.41