Finding the Fourth Proportional to 6,540.89, 9,026.49 and 3,556.79

Step by Step Solution

1. Step 1: Write the proportion equation
   6,540.89 : 9,026.49 = 3,556.79 : x
2. Step 2: Convert to fraction form
   6,540.89/9,026.49 = 3,556.79/x
3. Step 3: Cross multiply
   6,540.89x = 9,026.49 × 3,556.79
4. Step 4: Simplify right side
   6,540.89x = 32,105,284.23
5. Step 5: Solve for x
   x = 32,105,284.23/6,540.89
6. Step 6: Final answer
   x = 4,908.40