Finding the Fourth Proportional to 17,638.72, 24,343.68 and 10,186.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,638.72 : 24,343.68 = 10,186.72 : x
2. Step 2: Convert to fraction form
   17,638.72/24,343.68 = 10,186.72/x
3. Step 3: Cross multiply
   17,638.72x = 24,343.68 × 10,186.72
4. Step 4: Simplify right side
   17,638.72x = 247,982,251.93
5. Step 5: Solve for x
   x = 247,982,251.93/17,638.72
6. Step 6: Final answer
   x = 14,058.97