Finding the Fourth Proportional to 6,663.50, 9,196.82 and 3,974.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,663.50 : 9,196.82 = 3,974.88 : x
2. Step 2: Convert to fraction form
   6,663.50/9,196.82 = 3,974.88/x
3. Step 3: Cross multiply
   6,663.50x = 9,196.82 × 3,974.88
4. Step 4: Simplify right side
   6,663.50x = 36,556,236.01
5. Step 5: Solve for x
   x = 36,556,236.01/6,663.50
6. Step 6: Final answer
   x = 5,486.05