Finding the Fourth Proportional to 3,780.50, 5,656.50 and 3,396.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,780.50 : 5,656.50 = 3,396.82 : x
2. Step 2: Convert to fraction form
   3,780.50/5,656.50 = 3,396.82/x
3. Step 3: Cross multiply
   3,780.50x = 5,656.50 × 3,396.82
4. Step 4: Simplify right side
   3,780.50x = 19,214,112.33
5. Step 5: Solve for x
   x = 19,214,112.33/3,780.50
6. Step 6: Final answer
   x = 5,082.43