Finding the Fourth Proportional to 23,276.22, 32,121.29 and 12,665.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,276.22 : 32,121.29 = 12,665.78 : x
2. Step 2: Convert to fraction form
   23,276.22/32,121.29 = 12,665.78/x
3. Step 3: Cross multiply
   23,276.22x = 32,121.29 × 12,665.78
4. Step 4: Simplify right side
   23,276.22x = 406,841,192.46
5. Step 5: Solve for x
   x = 406,841,192.46/23,276.22
6. Step 6: Final answer
   x = 17,478.83