Finding the Fourth Proportional to 8,592.59, 12,947.39 and 7,066.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,592.59 : 12,947.39 = 7,066.76 : x
2. Step 2: Convert to fraction form
   8,592.59/12,947.39 = 7,066.76/x
3. Step 3: Cross multiply
   8,592.59x = 12,947.39 × 7,066.76
4. Step 4: Simplify right side
   8,592.59x = 91,496,063.94
5. Step 5: Solve for x
   x = 91,496,063.94/8,592.59
6. Step 6: Final answer
   x = 10,648.25