Finding the Fourth Proportional to 23,644.72, 32,627.68 and 13,031.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,644.72 : 32,627.68 = 13,031.76 : x
2. Step 2: Convert to fraction form
   23,644.72/32,627.68 = 13,031.76/x
3. Step 3: Cross multiply
   23,644.72x = 32,627.68 × 13,031.76
4. Step 4: Simplify right side
   23,644.72x = 425,196,095.12
5. Step 5: Solve for x
   x = 425,196,095.12/23,644.72
6. Step 6: Final answer
   x = 17,982.71