Finding the Fourth Proportional to 21,725.92, 32,577.82 and 10,615.96

Step by Step Solution

1. Step 1: Write the proportion equation
   21,725.92 : 32,577.82 = 10,615.96 : x
2. Step 2: Convert to fraction form
   21,725.92/32,577.82 = 10,615.96/x
3. Step 3: Cross multiply
   21,725.92x = 32,577.82 × 10,615.96
4. Step 4: Simplify right side
   21,725.92x = 345,844,834.01
5. Step 5: Solve for x
   x = 345,844,834.01/21,725.92
6. Step 6: Final answer
   x = 15,918.54