Finding the Fourth Proportional to 17,653.40, 24,383.25 and 13,196.93

Step by Step Solution

1. Step 1: Write the proportion equation
   17,653.40 : 24,383.25 = 13,196.93 : x
2. Step 2: Convert to fraction form
   17,653.40/24,383.25 = 13,196.93/x
3. Step 3: Cross multiply
   17,653.40x = 24,383.25 × 13,196.93
4. Step 4: Simplify right side
   17,653.40x = 321,783,921.51
5. Step 5: Solve for x
   x = 321,783,921.51/17,653.40
6. Step 6: Final answer
   x = 18,227.88