Finding the Fourth Proportional to 17,443.89, 24,097.23 and 13,515.66

Step by Step Solution

1. Step 1: Write the proportion equation
   17,443.89 : 24,097.23 = 13,515.66 : x
2. Step 2: Convert to fraction form
   17,443.89/24,097.23 = 13,515.66/x
3. Step 3: Cross multiply
   17,443.89x = 24,097.23 × 13,515.66
4. Step 4: Simplify right side
   17,443.89x = 325,689,967.62
5. Step 5: Solve for x
   x = 325,689,967.62/17,443.89
6. Step 6: Final answer
   x = 18,670.72