Finding the Fourth Proportional to 23,276.30, 32,121.29 and 12,665.93

Step by Step Solution

1. Step 1: Write the proportion equation
   23,276.30 : 32,121.29 = 12,665.93 : x
2. Step 2: Convert to fraction form
   23,276.30/32,121.29 = 12,665.93/x
3. Step 3: Cross multiply
   23,276.30x = 32,121.29 × 12,665.93
4. Step 4: Simplify right side
   23,276.30x = 406,846,010.65
5. Step 5: Solve for x
   x = 406,846,010.65/23,276.30
6. Step 6: Final answer
   x = 17,478.98