Finding the Fourth Proportional to 108,326.30, 162,391.04 and 49,129.68

Step by Step Solution

1. Step 1: Write the proportion equation
   108,326.30 : 162,391.04 = 49,129.68 : x
2. Step 2: Convert to fraction form
   108,326.30/162,391.04 = 49,129.68/x
3. Step 3: Cross multiply
   108,326.30x = 162,391.04 × 49,129.68
4. Step 4: Simplify right side
   108,326.30x = 7,978,219,584.42
5. Step 5: Solve for x
   x = 7,978,219,584.42/108,326.30
6. Step 6: Final answer
   x = 73,649.88