Finding the Fourth Proportional to 16,801.02, 25,205.42 and 5,707.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,801.02 : 25,205.42 = 5,707.72 : x
2. Step 2: Convert to fraction form
   16,801.02/25,205.42 = 5,707.72/x
3. Step 3: Cross multiply
   16,801.02x = 25,205.42 × 5,707.72
4. Step 4: Simplify right side
   16,801.02x = 143,865,383.84
5. Step 5: Solve for x
   x = 143,865,383.84/16,801.02
6. Step 6: Final answer
   x = 8,562.90