Finding the Fourth Proportional to 5,086.94, 7,615.59 and 3,133.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,086.94 : 7,615.59 = 3,133.22 : x
2. Step 2: Convert to fraction form
   5,086.94/7,615.59 = 3,133.22/x
3. Step 3: Cross multiply
   5,086.94x = 7,615.59 × 3,133.22
4. Step 4: Simplify right side
   5,086.94x = 23,861,318.90
5. Step 5: Solve for x
   x = 23,861,318.90/5,086.94
6. Step 6: Final answer
   x = 4,690.70