Finding the Fourth Proportional to 21,545.72, 32,284.38 and 16,627.40

Step by Step Solution

1. Step 1: Write the proportion equation
   21,545.72 : 32,284.38 = 16,627.40 : x
2. Step 2: Convert to fraction form
   21,545.72/32,284.38 = 16,627.40/x
3. Step 3: Cross multiply
   21,545.72x = 32,284.38 × 16,627.40
4. Step 4: Simplify right side
   21,545.72x = 536,805,300.01
5. Step 5: Solve for x
   x = 536,805,300.01/21,545.72
6. Step 6: Final answer
   x = 24,914.71