Finding the Fourth Proportional to 23,556.39, 32,507.88 and 12,946.71

Step by Step Solution

1. Step 1: Write the proportion equation
   23,556.39 : 32,507.88 = 12,946.71 : x
2. Step 2: Convert to fraction form
   23,556.39/32,507.88 = 12,946.71/x
3. Step 3: Cross multiply
   23,556.39x = 32,507.88 × 12,946.71
4. Step 4: Simplify right side
   23,556.39x = 420,870,095.07
5. Step 5: Solve for x
   x = 420,870,095.07/23,556.39
6. Step 6: Final answer
   x = 17,866.49