Finding the Fourth Proportional to 23,276.69, 32,121.56 and 12,666.14

Step by Step Solution

1. Step 1: Write the proportion equation
   23,276.69 : 32,121.56 = 12,666.14 : x
2. Step 2: Convert to fraction form
   23,276.69/32,121.56 = 12,666.14/x
3. Step 3: Cross multiply
   23,276.69x = 32,121.56 × 12,666.14
4. Step 4: Simplify right side
   23,276.69x = 406,856,112.65
5. Step 5: Solve for x
   x = 406,856,112.65/23,276.69
6. Step 6: Final answer
   x = 17,479.12