Finding the Fourth Proportional to 8,385.94, 12,573.39 and 4,688.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,385.94 : 12,573.39 = 4,688.56 : x
2. Step 2: Convert to fraction form
   8,385.94/12,573.39 = 4,688.56/x
3. Step 3: Cross multiply
   8,385.94x = 12,573.39 × 4,688.56
4. Step 4: Simplify right side
   8,385.94x = 58,951,093.42
5. Step 5: Solve for x
   x = 58,951,093.42/8,385.94
6. Step 6: Final answer
   x = 7,029.75