Finding the Fourth Proportional to 23,556.96, 32,507.88 and 12,946.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,556.96 : 32,507.88 = 12,946.56 : x
2. Step 2: Convert to fraction form
   23,556.96/32,507.88 = 12,946.56/x
3. Step 3: Cross multiply
   23,556.96x = 32,507.88 × 12,946.56
4. Step 4: Simplify right side
   23,556.96x = 420,865,218.89
5. Step 5: Solve for x
   x = 420,865,218.89/23,556.96
6. Step 6: Final answer
   x = 17,865.85