Finding the Fourth Proportional to 23,591.76, 32,556.84 and 12,981.36

Step by Step Solution

1. Step 1: Write the proportion equation
   23,591.76 : 32,556.84 = 12,981.36 : x
2. Step 2: Convert to fraction form
   23,591.76/32,556.84 = 12,981.36/x
3. Step 3: Cross multiply
   23,591.76x = 32,556.84 × 12,981.36
4. Step 4: Simplify right side
   23,591.76x = 422,632,060.50
5. Step 5: Solve for x
   x = 422,632,060.50/23,591.76
6. Step 6: Final answer
   x = 17,914.39