Finding the Fourth Proportional to 126,231.62, 174,200.56 and 69,645.02

Step by Step Solution

1. Step 1: Write the proportion equation
   126,231.62 : 174,200.56 = 69,645.02 : x
2. Step 2: Convert to fraction form
   126,231.62/174,200.56 = 69,645.02/x
3. Step 3: Cross multiply
   126,231.62x = 174,200.56 × 69,645.02
4. Step 4: Simplify right side
   126,231.62x = 12,132,200,440.10
5. Step 5: Solve for x
   x = 12,132,200,440.10/126,231.62
6. Step 6: Final answer
   x = 96,110.63