Finding the Fourth Proportional to 12,668.72, 17,476.98 and 7,362.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,668.72 : 17,476.98 = 7,362.52 : x
2. Step 2: Convert to fraction form
   12,668.72/17,476.98 = 7,362.52/x
3. Step 3: Cross multiply
   12,668.72x = 17,476.98 × 7,362.52
4. Step 4: Simplify right side
   12,668.72x = 128,674,614.79
5. Step 5: Solve for x
   x = 128,674,614.79/12,668.72
6. Step 6: Final answer
   x = 10,156.88