Finding the Fourth Proportional to 17,682.98, 24,253 and 15,690.06

Step by Step Solution

1. Step 1: Write the proportion equation
   17,682.98 : 24,253 = 15,690.06 : x
2. Step 2: Convert to fraction form
   17,682.98/24,253 = 15,690.06/x
3. Step 3: Cross multiply
   17,682.98x = 24,253 × 15,690.06
4. Step 4: Simplify right side
   17,682.98x = 380,531,025.18
5. Step 5: Solve for x
   x = 380,531,025.18/17,682.98
6. Step 6: Final answer
   x = 21,519.62