Finding the Fourth Proportional to 126,022.82, 173,672.25 and 90,150.56

Step by Step Solution

1. Step 1: Write the proportion equation
   126,022.82 : 173,672.25 = 90,150.56 : x
2. Step 2: Convert to fraction form
   126,022.82/173,672.25 = 90,150.56/x
3. Step 3: Cross multiply
   126,022.82x = 173,672.25 × 90,150.56
4. Step 4: Simplify right side
   126,022.82x = 15,656,649,725.60
5. Step 5: Solve for x
   x = 15,656,649,725.60/126,022.82
6. Step 6: Final answer
   x = 124,236.63