Finding the Fourth Proportional to 17,689.56, 24,415.52 and 13,853.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,689.56 : 24,415.52 = 13,853.56 : x
2. Step 2: Convert to fraction form
   17,689.56/24,415.52 = 13,853.56/x
3. Step 3: Cross multiply
   17,689.56x = 24,415.52 × 13,853.56
4. Step 4: Simplify right side
   17,689.56x = 338,241,871.25
5. Step 5: Solve for x
   x = 338,241,871.25/17,689.56
6. Step 6: Final answer
   x = 19,120.99