Finding the Fourth Proportional to 16,851.81, 25,280.69 and 5,755.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,851.81 : 25,280.69 = 5,755.89 : x
2. Step 2: Convert to fraction form
   16,851.81/25,280.69 = 5,755.89/x
3. Step 3: Cross multiply
   16,851.81x = 25,280.69 × 5,755.89
4. Step 4: Simplify right side
   16,851.81x = 145,512,870.76
5. Step 5: Solve for x
   x = 145,512,870.76/16,851.81
6. Step 6: Final answer
   x = 8,634.85