Finding the Fourth Proportional to 6,665.61, 9,198.62 and 3,834.39

Step by Step Solution

1. Step 1: Write the proportion equation
   6,665.61 : 9,198.62 = 3,834.39 : x
2. Step 2: Convert to fraction form
   6,665.61/9,198.62 = 3,834.39/x
3. Step 3: Cross multiply
   6,665.61x = 9,198.62 × 3,834.39
4. Step 4: Simplify right side
   6,665.61x = 35,271,077.37
5. Step 5: Solve for x
   x = 35,271,077.37/6,665.61
6. Step 6: Final answer
   x = 5,291.50