Finding the Fourth Proportional to 108,452.67, 162,467.13 and 74,712.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,452.67 : 162,467.13 = 74,712.72 : x
2. Step 2: Convert to fraction form
   108,452.67/162,467.13 = 74,712.72/x
3. Step 3: Cross multiply
   108,452.67x = 162,467.13 × 74,712.72
4. Step 4: Simplify right side
   108,452.67x = 12,138,361,192.89
5. Step 5: Solve for x
   x = 12,138,361,192.89/108,452.67
6. Step 6: Final answer
   x = 111,923.12