Finding the Fourth Proportional to 16,849.89, 25,278.48 and 5,162.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,849.89 : 25,278.48 = 5,162.81 : x
2. Step 2: Convert to fraction form
   16,849.89/25,278.48 = 5,162.81/x
3. Step 3: Cross multiply
   16,849.89x = 25,278.48 × 5,162.81
4. Step 4: Simplify right side
   16,849.89x = 130,507,862.94
5. Step 5: Solve for x
   x = 130,507,862.94/16,849.89
6. Step 6: Final answer
   x = 7,745.32