Finding the Fourth Proportional to 6,672.43, 9,209.69 and 4,019.46

Step by Step Solution

1. Step 1: Write the proportion equation
   6,672.43 : 9,209.69 = 4,019.46 : x
2. Step 2: Convert to fraction form
   6,672.43/9,209.69 = 4,019.46/x
3. Step 3: Cross multiply
   6,672.43x = 9,209.69 × 4,019.46
4. Step 4: Simplify right side
   6,672.43x = 37,017,980.57
5. Step 5: Solve for x
   x = 37,017,980.57/6,672.43
6. Step 6: Final answer
   x = 5,547.90