Finding the Fourth Proportional to 12,384.50, 17,093.79 and 7,666.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,384.50 : 17,093.79 = 7,666.02 : x
2. Step 2: Convert to fraction form
   12,384.50/17,093.79 = 7,666.02/x
3. Step 3: Cross multiply
   12,384.50x = 17,093.79 × 7,666.02
4. Step 4: Simplify right side
   12,384.50x = 131,041,336.02
5. Step 5: Solve for x
   x = 131,041,336.02/12,384.50
6. Step 6: Final answer
   x = 10,581.08