Finding the Fourth Proportional to 6,647.82, 9,174.33 and 3,663.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,647.82 : 9,174.33 = 3,663.78 : x
2. Step 2: Convert to fraction form
   6,647.82/9,174.33 = 3,663.78/x
3. Step 3: Cross multiply
   6,647.82x = 9,174.33 × 3,663.78
4. Step 4: Simplify right side
   6,647.82x = 33,612,726.77
5. Step 5: Solve for x
   x = 33,612,726.77/6,647.82
6. Step 6: Final answer
   x = 5,056.20