Finding the Fourth Proportional to 8,384.94, 12,571.89 and 4,687.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,384.94 : 12,571.89 = 4,687.56 : x
2. Step 2: Convert to fraction form
   8,384.94/12,571.89 = 4,687.56/x
3. Step 3: Cross multiply
   8,384.94x = 12,571.89 × 4,687.56
4. Step 4: Simplify right side
   8,384.94x = 58,931,488.69
5. Step 5: Solve for x
   x = 58,931,488.69/8,384.94
6. Step 6: Final answer
   x = 7,028.25