Finding the Fourth Proportional to 12,650.72, 17,457.36 and 7,060.64

Step by Step Solution

1. Step 1: Write the proportion equation
   12,650.72 : 17,457.36 = 7,060.64 : x
2. Step 2: Convert to fraction form
   12,650.72/17,457.36 = 7,060.64/x
3. Step 3: Cross multiply
   12,650.72x = 17,457.36 × 7,060.64
4. Step 4: Simplify right side
   12,650.72x = 123,260,134.31
5. Step 5: Solve for x
   x = 123,260,134.31/12,650.72
6. Step 6: Final answer
   x = 9,743.33