Finding the Fourth Proportional to 126,144.72, 174,079.53 and 69,556.23

Step by Step Solution

1. Step 1: Write the proportion equation
   126,144.72 : 174,079.53 = 69,556.23 : x
2. Step 2: Convert to fraction form
   126,144.72/174,079.53 = 69,556.23/x
3. Step 3: Cross multiply
   126,144.72x = 174,079.53 × 69,556.23
4. Step 4: Simplify right side
   126,144.72x = 12,108,315,826.97
5. Step 5: Solve for x
   x = 12,108,315,826.97/126,144.72
6. Step 6: Final answer
   x = 95,987.50