Finding the Fourth Proportional to 16,918.56, 25,380.54 and 5,822.51

Step by Step Solution

1. Step 1: Write the proportion equation
   16,918.56 : 25,380.54 = 5,822.51 : x
2. Step 2: Convert to fraction form
   16,918.56/25,380.54 = 5,822.51/x
3. Step 3: Cross multiply
   16,918.56x = 25,380.54 × 5,822.51
4. Step 4: Simplify right side
   16,918.56x = 147,778,321.05
5. Step 5: Solve for x
   x = 147,778,321.05/16,918.56
6. Step 6: Final answer
   x = 8,734.69