Finding the Fourth Proportional to 23,721.34, 32,690.50 and 16,995.42

Step by Step Solution

1. Step 1: Write the proportion equation
   23,721.34 : 32,690.50 = 16,995.42 : x
2. Step 2: Convert to fraction form
   23,721.34/32,690.50 = 16,995.42/x
3. Step 3: Cross multiply
   23,721.34x = 32,690.50 × 16,995.42
4. Step 4: Simplify right side
   23,721.34x = 555,588,777.51
5. Step 5: Solve for x
   x = 555,588,777.51/23,721.34
6. Step 6: Final answer
   x = 23,421.48