Finding the Fourth Proportional to 23,276, 32,121.28 and 12,665.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,276 : 32,121.28 = 12,665.82 : x
2. Step 2: Convert to fraction form
   23,276/32,121.28 = 12,665.82/x
3. Step 3: Cross multiply
   23,276x = 32,121.28 × 12,665.82
4. Step 4: Simplify right side
   23,276x = 406,842,350.65
5. Step 5: Solve for x
   x = 406,842,350.65/23,276
6. Step 6: Final answer
   x = 17,479.05