Finding the Fourth Proportional to 67,639.83, 93,340.71 and 37,425.21

Step by Step Solution

1. Step 1: Write the proportion equation
   67,639.83 : 93,340.71 = 37,425.21 : x
2. Step 2: Convert to fraction form
   67,639.83/93,340.71 = 37,425.21/x
3. Step 3: Cross multiply
   67,639.83x = 93,340.71 × 37,425.21
4. Step 4: Simplify right side
   67,639.83x = 3,493,295,673.30
5. Step 5: Solve for x
   x = 3,493,295,673.30/67,639.83
6. Step 6: Final answer
   x = 51,645.54