Finding the Fourth Proportional to 17,954.59, 24,799.56 and 12,672.99

Step by Step Solution

1. Step 1: Write the proportion equation
   17,954.59 : 24,799.56 = 12,672.99 : x
2. Step 2: Convert to fraction form
   17,954.59/24,799.56 = 12,672.99/x
3. Step 3: Cross multiply
   17,954.59x = 24,799.56 × 12,672.99
4. Step 4: Simplify right side
   17,954.59x = 314,284,388.52
5. Step 5: Solve for x
   x = 314,284,388.52/17,954.59
6. Step 6: Final answer
   x = 17,504.40