Finding the Fourth Proportional to 16,556.07, 24,820.72 and 5,455.83

Step by Step Solution

1. Step 1: Write the proportion equation
   16,556.07 : 24,820.72 = 5,455.83 : x
2. Step 2: Convert to fraction form
   16,556.07/24,820.72 = 5,455.83/x
3. Step 3: Cross multiply
   16,556.07x = 24,820.72 × 5,455.83
4. Step 4: Simplify right side
   16,556.07x = 135,417,628.80
5. Step 5: Solve for x
   x = 135,417,628.80/16,556.07
6. Step 6: Final answer
   x = 8,179.33