Finding the Fourth Proportional to 23,590.98, 32,556.42 and 12,981.06

Step by Step Solution

1. Step 1: Write the proportion equation
   23,590.98 : 32,556.42 = 12,981.06 : x
2. Step 2: Convert to fraction form
   23,590.98/32,556.42 = 12,981.06/x
3. Step 3: Cross multiply
   23,590.98x = 32,556.42 × 12,981.06
4. Step 4: Simplify right side
   23,590.98x = 422,616,841.41
5. Step 5: Solve for x
   x = 422,616,841.41/23,590.98
6. Step 6: Final answer
   x = 17,914.34