Finding the Fourth Proportional to 32,984.21, 49,456.37 and 12,969.72

Step by Step Solution

1. Step 1: Write the proportion equation
   32,984.21 : 49,456.37 = 12,969.72 : x
2. Step 2: Convert to fraction form
   32,984.21/49,456.37 = 12,969.72/x
3. Step 3: Cross multiply
   32,984.21x = 49,456.37 × 12,969.72
4. Step 4: Simplify right side
   32,984.21x = 641,435,303.54
5. Step 5: Solve for x
   x = 641,435,303.54/32,984.21
6. Step 6: Final answer
   x = 19,446.74