Finding the Fourth Proportional to 16,725.21, 25,070.25 and 5,628.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,725.21 : 25,070.25 = 5,628.05 : x
2. Step 2: Convert to fraction form
   16,725.21/25,070.25 = 5,628.05/x
3. Step 3: Cross multiply
   16,725.21x = 25,070.25 × 5,628.05
4. Step 4: Simplify right side
   16,725.21x = 141,096,610.28
5. Step 5: Solve for x
   x = 141,096,610.28/16,725.21
6. Step 6: Final answer
   x = 8,436.17