Finding the Fourth Proportional to 23,515.24, 32,451.06 and 12,905.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,515.24 : 32,451.06 = 12,905.56 : x
2. Step 2: Convert to fraction form
   23,515.24/32,451.06 = 12,905.56/x
3. Step 3: Cross multiply
   23,515.24x = 32,451.06 × 12,905.56
4. Step 4: Simplify right side
   23,515.24x = 418,799,101.89
5. Step 5: Solve for x
   x = 418,799,101.89/23,515.24
6. Step 6: Final answer
   x = 17,809.69