Finding the Fourth Proportional to 12,707.52, 17,496.72 and 10,462.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,707.52 : 17,496.72 = 10,462.20 : x
2. Step 2: Convert to fraction form
   12,707.52/17,496.72 = 10,462.20/x
3. Step 3: Cross multiply
   12,707.52x = 17,496.72 × 10,462.20
4. Step 4: Simplify right side
   12,707.52x = 183,054,183.98
5. Step 5: Solve for x
   x = 183,054,183.98/12,707.52
6. Step 6: Final answer
   x = 14,405.19