Finding the Fourth Proportional to 23,591.34, 32,555.43 and 12,981.06

Step by Step Solution

1. Step 1: Write the proportion equation
   23,591.34 : 32,555.43 = 12,981.06 : x
2. Step 2: Convert to fraction form
   23,591.34/32,555.43 = 12,981.06/x
3. Step 3: Cross multiply
   23,591.34x = 32,555.43 × 12,981.06
4. Step 4: Simplify right side
   23,591.34x = 422,603,990.16
5. Step 5: Solve for x
   x = 422,603,990.16/23,591.34
6. Step 6: Final answer
   x = 17,913.52