Finding the Fourth Proportional to 6,838.59, 9,437.31 and 4,005.33

Step by Step Solution

1. Step 1: Write the proportion equation
   6,838.59 : 9,437.31 = 4,005.33 : x
2. Step 2: Convert to fraction form
   6,838.59/9,437.31 = 4,005.33/x
3. Step 3: Cross multiply
   6,838.59x = 9,437.31 × 4,005.33
4. Step 4: Simplify right side
   6,838.59x = 37,799,540.86
5. Step 5: Solve for x
   x = 37,799,540.86/6,838.59
6. Step 6: Final answer
   x = 5,527.39