Finding the Fourth Proportional to 108,456.06, 162,472.23 and 74,716.12

Step by Step Solution

1. Step 1: Write the proportion equation
   108,456.06 : 162,472.23 = 74,716.12 : x
2. Step 2: Convert to fraction form
   108,456.06/162,472.23 = 74,716.12/x
3. Step 3: Cross multiply
   108,456.06x = 162,472.23 × 74,716.12
4. Step 4: Simplify right side
   108,456.06x = 12,139,294,556.25
5. Step 5: Solve for x
   x = 12,139,294,556.25/108,456.06
6. Step 6: Final answer
   x = 111,928.22