Finding the Fourth Proportional to 21,630.27, 32,469.72 and 16,758.66

Step by Step Solution

1. Step 1: Write the proportion equation
   21,630.27 : 32,469.72 = 16,758.66 : x
2. Step 2: Convert to fraction form
   21,630.27/32,469.72 = 16,758.66/x
3. Step 3: Cross multiply
   21,630.27x = 32,469.72 × 16,758.66
4. Step 4: Simplify right side
   21,630.27x = 544,148,997.78
5. Step 5: Solve for x
   x = 544,148,997.78/21,630.27
6. Step 6: Final answer
   x = 25,156.83