Finding the Fourth Proportional to 6,672.98, 9,208.72 and 3,688.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,672.98 : 9,208.72 = 3,688.82 : x
2. Step 2: Convert to fraction form
   6,672.98/9,208.72 = 3,688.82/x
3. Step 3: Cross multiply
   6,672.98x = 9,208.72 × 3,688.82
4. Step 4: Simplify right side
   6,672.98x = 33,969,246.02
5. Step 5: Solve for x
   x = 33,969,246.02/6,672.98
6. Step 6: Final answer
   x = 5,090.57