Finding the Fourth Proportional to 6,663.82, 9,993.42 and 3,706.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,663.82 : 9,993.42 = 3,706.76 : x
2. Step 2: Convert to fraction form
   6,663.82/9,993.42 = 3,706.76/x
3. Step 3: Cross multiply
   6,663.82x = 9,993.42 × 3,706.76
4. Step 4: Simplify right side
   6,663.82x = 37,043,180.39
5. Step 5: Solve for x
   x = 37,043,180.39/6,663.82
6. Step 6: Final answer
   x = 5,558.85