Finding the Fourth Proportional to 16,820.34, 25,233.27 and 5,725.90

Step by Step Solution

1. Step 1: Write the proportion equation
   16,820.34 : 25,233.27 = 5,725.90 : x
2. Step 2: Convert to fraction form
   16,820.34/25,233.27 = 5,725.90/x
3. Step 3: Cross multiply
   16,820.34x = 25,233.27 × 5,725.90
4. Step 4: Simplify right side
   16,820.34x = 144,483,180.69
5. Step 5: Solve for x
   x = 144,483,180.69/16,820.34
6. Step 6: Final answer
   x = 8,589.79