Finding the Fourth Proportional to 6,663.79, 9,196.10 and 3,679.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,663.79 : 9,196.10 = 3,679.56 : x
2. Step 2: Convert to fraction form
   6,663.79/9,196.10 = 3,679.56/x
3. Step 3: Cross multiply
   6,663.79x = 9,196.10 × 3,679.56
4. Step 4: Simplify right side
   6,663.79x = 33,837,583.32
5. Step 5: Solve for x
   x = 33,837,583.32/6,663.79
6. Step 6: Final answer
   x = 5,077.83