Finding the Fourth Proportional to 12,467.45, 17,205.63 and 7,163.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,467.45 : 17,205.63 = 7,163.93 : x
2. Step 2: Convert to fraction form
   12,467.45/17,205.63 = 7,163.93/x
3. Step 3: Cross multiply
   12,467.45x = 17,205.63 × 7,163.93
4. Step 4: Simplify right side
   12,467.45x = 123,259,928.93
5. Step 5: Solve for x
   x = 123,259,928.93/12,467.45
6. Step 6: Final answer
   x = 9,886.54