Finding the Fourth Proportional to 5,912.33, 8,880.71 and 5,715.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,912.33 : 8,880.71 = 5,715.50 : x
2. Step 2: Convert to fraction form
   5,912.33/8,880.71 = 5,715.50/x
3. Step 3: Cross multiply
   5,912.33x = 8,880.71 × 5,715.50
4. Step 4: Simplify right side
   5,912.33x = 50,757,625.02
5. Step 5: Solve for x
   x = 50,757,625.02/5,912.33
6. Step 6: Final answer
   x = 8,585.05