Finding the Fourth Proportional to 12,601.65, 17,392.91 and 7,566.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,601.65 : 17,392.91 = 7,566.09 : x
2. Step 2: Convert to fraction form
   12,601.65/17,392.91 = 7,566.09/x
3. Step 3: Cross multiply
   12,601.65x = 17,392.91 × 7,566.09
4. Step 4: Simplify right side
   12,601.65x = 131,596,322.42
5. Step 5: Solve for x
   x = 131,596,322.42/12,601.65
6. Step 6: Final answer
   x = 10,442.79