Finding the Fourth Proportional to 12,656.50, 17,466.78 and 7,067.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,656.50 : 17,466.78 = 7,067.50 : x
2. Step 2: Convert to fraction form
   12,656.50/17,466.78 = 7,067.50/x
3. Step 3: Cross multiply
   12,656.50x = 17,466.78 × 7,067.50
4. Step 4: Simplify right side
   12,656.50x = 123,446,467.65
5. Step 5: Solve for x
   x = 123,446,467.65/12,656.50
6. Step 6: Final answer
   x = 9,753.60