Finding the Fourth Proportional to 12,382.74, 17,081.01 and 7,663.68

Step by Step Solution

1. Step 1: Write the proportion equation
   12,382.74 : 17,081.01 = 7,663.68 : x
2. Step 2: Convert to fraction form
   12,382.74/17,081.01 = 7,663.68/x
3. Step 3: Cross multiply
   12,382.74x = 17,081.01 × 7,663.68
4. Step 4: Simplify right side
   12,382.74x = 130,903,394.72
5. Step 5: Solve for x
   x = 130,903,394.72/12,382.74
6. Step 6: Final answer
   x = 10,571.44