Finding the Fourth Proportional to 12,656.72, 17,466.46 and 7,351.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,656.72 : 17,466.46 = 7,351.54 : x
2. Step 2: Convert to fraction form
   12,656.72/17,466.46 = 7,351.54/x
3. Step 3: Cross multiply
   12,656.72x = 17,466.46 × 7,351.54
4. Step 4: Simplify right side
   12,656.72x = 128,405,379.35
5. Step 5: Solve for x
   x = 128,405,379.35/12,656.72
6. Step 6: Final answer
   x = 10,145.23