Finding the Fourth Proportional to 8,624.76, 12,939.42 and 4,674.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,624.76 : 12,939.42 = 4,674.27 : x
2. Step 2: Convert to fraction form
   8,624.76/12,939.42 = 4,674.27/x
3. Step 3: Cross multiply
   8,624.76x = 12,939.42 × 4,674.27
4. Step 4: Simplify right side
   8,624.76x = 60,482,342.72
5. Step 5: Solve for x
   x = 60,482,342.72/8,624.76
6. Step 6: Final answer
   x = 7,012.64