Finding the Fourth Proportional to 12,665.82, 17,481 and 7,363.74

Step by Step Solution

1. Step 1: Write the proportion equation
   12,665.82 : 17,481 = 7,363.74 : x
2. Step 2: Convert to fraction form
   12,665.82/17,481 = 7,363.74/x
3. Step 3: Cross multiply
   12,665.82x = 17,481 × 7,363.74
4. Step 4: Simplify right side
   12,665.82x = 128,725,538.94
5. Step 5: Solve for x
   x = 128,725,538.94/12,665.82
6. Step 6: Final answer
   x = 10,163.22