Finding the Fourth Proportional to 23,591.07, 32,556.33 and 12,980.61

Step by Step Solution

1. Step 1: Write the proportion equation
   23,591.07 : 32,556.33 = 12,980.61 : x
2. Step 2: Convert to fraction form
   23,591.07/32,556.33 = 12,980.61/x
3. Step 3: Cross multiply
   23,591.07x = 32,556.33 × 12,980.61
4. Step 4: Simplify right side
   23,591.07x = 422,601,022.76
5. Step 5: Solve for x
   x = 422,601,022.76/23,591.07
6. Step 6: Final answer
   x = 17,913.60