Finding the Fourth Proportional to 17,654.93, 24,379.62 and 13,170.89

Step by Step Solution

1. Step 1: Write the proportion equation
   17,654.93 : 24,379.62 = 13,170.89 : x
2. Step 2: Convert to fraction form
   17,654.93/24,379.62 = 13,170.89/x
3. Step 3: Cross multiply
   17,654.93x = 24,379.62 × 13,170.89
4. Step 4: Simplify right side
   17,654.93x = 321,101,304.82
5. Step 5: Solve for x
   x = 321,101,304.82/17,654.93
6. Step 6: Final answer
   x = 18,187.63