Finding the Fourth Proportional to 12,514.34, 17,271.73 and 7,136.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,514.34 : 17,271.73 = 7,136.79 : x
2. Step 2: Convert to fraction form
   12,514.34/17,271.73 = 7,136.79/x
3. Step 3: Cross multiply
   12,514.34x = 17,271.73 × 7,136.79
4. Step 4: Simplify right side
   12,514.34x = 123,264,709.95
5. Step 5: Solve for x
   x = 123,264,709.95/12,514.34
6. Step 6: Final answer
   x = 9,849.88