Finding the Fourth Proportional to 8,384.43, 12,571.15 and 4,687.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,384.43 : 12,571.15 = 4,687.05 : x
2. Step 2: Convert to fraction form
   8,384.43/12,571.15 = 4,687.05/x
3. Step 3: Cross multiply
   8,384.43x = 12,571.15 × 4,687.05
4. Step 4: Simplify right side
   8,384.43x = 58,921,608.61
5. Step 5: Solve for x
   x = 58,921,608.61/8,384.43
6. Step 6: Final answer
   x = 7,027.50