Finding the Fourth Proportional to 39,870.92, 54,970.71 and 32,674.78

Step by Step Solution

1. Step 1: Write the proportion equation
   39,870.92 : 54,970.71 = 32,674.78 : x
2. Step 2: Convert to fraction form
   39,870.92/54,970.71 = 32,674.78/x
3. Step 3: Cross multiply
   39,870.92x = 54,970.71 × 32,674.78
4. Step 4: Simplify right side
   39,870.92x = 1,796,155,855.69
5. Step 5: Solve for x
   x = 1,796,155,855.69/39,870.92
6. Step 6: Final answer
   x = 45,049.27