Finding the Fourth Proportional to 23,031.12, 31,788 and 14,646

Step by Step Solution

1. Step 1: Write the proportion equation
   23,031.12 : 31,788 = 14,646 : x
2. Step 2: Convert to fraction form
   23,031.12/31,788 = 14,646/x
3. Step 3: Cross multiply
   23,031.12x = 31,788 × 14,646
4. Step 4: Simplify right side
   23,031.12x = 465,567,048
5. Step 5: Solve for x
   x = 465,567,048/23,031.12
6. Step 6: Final answer
   x = 20,214.69