Finding the Fourth Proportional to 12,695.52, 17,480.16 and 10,450.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,695.52 : 17,480.16 = 10,450.20 : x
2. Step 2: Convert to fraction form
   12,695.52/17,480.16 = 10,450.20/x
3. Step 3: Cross multiply
   12,695.52x = 17,480.16 × 10,450.20
4. Step 4: Simplify right side
   12,695.52x = 182,671,168.03
5. Step 5: Solve for x
   x = 182,671,168.03/12,695.52
6. Step 6: Final answer
   x = 14,388.63