Finding the Fourth Proportional to 126,131.68, 174,086.94 and 72,453.52

Step by Step Solution

1. Step 1: Write the proportion equation
   126,131.68 : 174,086.94 = 72,453.52 : x
2. Step 2: Convert to fraction form
   126,131.68/174,086.94 = 72,453.52/x
3. Step 3: Cross multiply
   126,131.68x = 174,086.94 × 72,453.52
4. Step 4: Simplify right side
   126,131.68x = 12,613,211,589.03
5. Step 5: Solve for x
   x = 12,613,211,589.03/126,131.68
6. Step 6: Final answer
   x = 100,000.35