Finding the Fourth Proportional to 21,854.72, 32,929.52 and 18,044.48

Step by Step Solution

1. Step 1: Write the proportion equation
   21,854.72 : 32,929.52 = 18,044.48 : x
2. Step 2: Convert to fraction form
   21,854.72/32,929.52 = 18,044.48/x
3. Step 3: Cross multiply
   21,854.72x = 32,929.52 × 18,044.48
4. Step 4: Simplify right side
   21,854.72x = 594,196,065.05
5. Step 5: Solve for x
   x = 594,196,065.05/21,854.72
6. Step 6: Final answer
   x = 27,188.45