Finding the Fourth Proportional to 23,612.04, 32,585.31 and 12,857.63

Step by Step Solution

1. Step 1: Write the proportion equation
   23,612.04 : 32,585.31 = 12,857.63 : x
2. Step 2: Convert to fraction form
   23,612.04/32,585.31 = 12,857.63/x
3. Step 3: Cross multiply
   23,612.04x = 32,585.31 × 12,857.63
4. Step 4: Simplify right side
   23,612.04x = 418,969,696.49
5. Step 5: Solve for x
   x = 418,969,696.49/23,612.04
6. Step 6: Final answer
   x = 17,743.90