Finding the Fourth Proportional to 16,649.37, 24,978.10 and 5,556.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,649.37 : 24,978.10 = 5,556.89 : x
2. Step 2: Convert to fraction form
   16,649.37/24,978.10 = 5,556.89/x
3. Step 3: Cross multiply
   16,649.37x = 24,978.10 × 5,556.89
4. Step 4: Simplify right side
   16,649.37x = 138,800,602.66
5. Step 5: Solve for x
   x = 138,800,602.66/16,649.37
6. Step 6: Final answer
   x = 8,336.69