Finding the Fourth Proportional to 108,145.81, 162,234.15 and 33,272.20

Step by Step Solution

1. Step 1: Write the proportion equation
   108,145.81 : 162,234.15 = 33,272.20 : x
2. Step 2: Convert to fraction form
   108,145.81/162,234.15 = 33,272.20/x
3. Step 3: Cross multiply
   108,145.81x = 162,234.15 × 33,272.20
4. Step 4: Simplify right side
   108,145.81x = 5,397,887,085.63
5. Step 5: Solve for x
   x = 5,397,887,085.63/108,145.81
6. Step 6: Final answer
   x = 49,913.05