Finding the Fourth Proportional to 22,007.69, 33,017.61 and 6,425.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,007.69 : 33,017.61 = 6,425.31 : x
2. Step 2: Convert to fraction form
   22,007.69/33,017.61 = 6,425.31/x
3. Step 3: Cross multiply
   22,007.69x = 33,017.61 × 6,425.31
4. Step 4: Simplify right side
   22,007.69x = 212,148,379.71
5. Step 5: Solve for x
   x = 212,148,379.71/22,007.69
6. Step 6: Final answer
   x = 9,639.74