Finding the Fourth Proportional to 17,965.52, 26,952.12 and 13,584.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,965.52 : 26,952.12 = 13,584.72 : x
2. Step 2: Convert to fraction form
   17,965.52/26,952.12 = 13,584.72/x
3. Step 3: Cross multiply
   17,965.52x = 26,952.12 × 13,584.72
4. Step 4: Simplify right side
   17,965.52x = 366,137,003.61
5. Step 5: Solve for x
   x = 366,137,003.61/17,965.52
6. Step 6: Final answer
   x = 20,379.98